Vulnerability-Lookup

BDU:2026-05660 (CVE-2026-33116)

Vulnerability from fstec – Published: 2026-04-21 – Updated: 2026-07-06 – View on bdu.fstec.ru Fixed

Title

Уязвимость программной платформы Microsoft .NET, Microsoft .NET Framework и редактора исходного кода Visual Studio, позволяющая нарушителю вызвать отказ в обслуживании

Summary

Уязвимость программной платформы Microsoft .NET, Microsoft .NET Framework и редактора исходного кода Visual Studio связана с выполнением цикла с недоступным условием выхода. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании

Severity

7.8 (High) CVSS 2.0


                      
                        AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 (High) CVSS 3.1


                      
                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Resource exhaustion, Resource manipulation, Data structure manipulation

Incidents

Being clarified

Remediation

Software update

CWE

CWE-20 - Недостаточная проверка вводимых данных
CWE-400 - Неконтролируемый расход ресурса («Истощение ресурса»)
CWE-835 - Выполнение цикла с недоступным условием выхода (бесконечный цикл)

Aliases

CVE-2026-33116

References

5 references

URL
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33116
https://redos.red-soft.ru/search/?iblock_id=24&q=CVE-2026-33116
https://github.com/dotnet/runtime/security/advisories/GHSA-37gx-xxp4-5rgx
https://github.com/dotnet/announcements/issues/392
https://github.com/dotnet/runtime

Impacted products

10 products from 2 vendors

Vendors

ООО «Ред Софт», Microsoft Corp

Products

РЕД ОС (запись в едином реестре российских программ №3751), .NET, Microsoft .NET Framework 3.5, Microsoft .NET Framework 4.8.1, Microsoft .NET Framework 4.8, Microsoft .NET Framework 4.6.2, Microsoft .NET Framework 4.7, Microsoft .NET Framework 4.7.1, Microsoft .NET Framework 4.7.2, Microsoft .NET Runtime

Versions

7.3 (РЕД ОС), 8.0 (РЕД ОС), от 9.0 до 9.0.15 (.NET), от 8.0 до 8.0.26 (.NET), от 10.0 до 10.0.6 (.NET), до 2.0.50727.9181 (Microsoft .NET Framework 3.5), до 3.0.30729.9165 (Microsoft .NET Framework 3.5), до 2.0.50727.8982 (Microsoft .NET Framework 3.5), до 3.0.30729.8976 (Microsoft .NET Framework 3.5), до 2.0.50727.9068 (Microsoft .NET Framework 3.5), до 3.0.30729.9065 (Microsoft .NET Framework 3.5), до 4.7.4141.0 (Microsoft .NET Framework 3.5), до 4.8.4801.0 (Microsoft .NET Framework 3.5), до 2.0.50727.9181 (Microsoft .NET Framework 4.8.1), до 3.0.30729.9165 (Microsoft .NET Framework 4.8.1), до 4.8.9332.0 (Microsoft .NET Framework 4.8.1), до 4.8.4801.0 (Microsoft .NET Framework 4.8), до 2.0.50727.9181 (Microsoft .NET Framework 4.8), до 3.0.30729.9165 (Microsoft .NET Framework 4.8), до 4.7.4141.0 (Microsoft .NET Framework 4.6.2), до 4.8.4801.0 (Microsoft .NET Framework 4.6.2), до 4.7.4141.0 (Microsoft .NET Framework 4.7), до 4.8.4801.0 (Microsoft .NET Framework 4.7), до 4.7.4141.0 (Microsoft .NET Framework 4.7.1), до 4.8.4801.0 (Microsoft .NET Framework 4.7.1), до 4.7.4141.0 (Microsoft .NET Framework 4.7.2), до 4.8.4801.0 (Microsoft .NET Framework 4.7.2), до 2.0.50727.9068 (Microsoft .NET Framework 4.7.2), до 3.0.30729.9065 (Microsoft .NET Framework 4.7.2), до 2.0.50727.9068 (Microsoft .NET Framework 4.8), до 3.0.30729.9065 (Microsoft .NET Framework 4.8), от 6.0.0 до 6.0.36 включительно (Microsoft .NET Runtime), от 8.0.0 до 8.0.25 включительно (Microsoft .NET Runtime), от 9.0.0 до 9.0.15 (Microsoft .NET Runtime), от 10.0.0 до 10.0.6 (Microsoft .NET Runtime)

Product types

Operating system, Application software

Platforms

Microsoft Corp Windows Server 2012 -, Microsoft Corp Windows Server 2012 R2 -, Microsoft Corp Windows 10 1607 - 64-bit, Microsoft Corp Windows 10 1607 - 32-bit, Microsoft Corp Windows Server 2012 R2 (Server Core installation) -, Microsoft Corp Windows 10 1809 - 64-bit, Microsoft Corp Windows 10 1809 - 32-bit, Microsoft Corp Windows 10 1809 - ARM64, Microsoft Corp Windows Server 2022 -, Microsoft Corp Windows Server 2022 (Server Core installation) -, ООО «Ред Софт» РЕД ОС 7.3 (запись в едином реестре российских программ №3751), Microsoft Corp Windows 10 21H2 - 64-bit, Microsoft Corp Windows 10 21H2 - 32-bit, Microsoft Corp Windows 10 21H2 - ARM64, Microsoft Corp Windows 11 22H2 - 64-bit, Microsoft Corp Windows 11 22H2 - ARM64, Microsoft Corp Windows 10 22H2 - 64-bit, Microsoft Corp Windows 10 22H2 - ARM64, Microsoft Corp Windows 10 22H2 - 32-bit, Microsoft Corp Windows Server 2012 (Server Core installation) -, Microsoft Corp Windows 11 23H2 - 64-bit, Microsoft Corp Windows 11 23H2 - ARM64, Microsoft Corp Windows Server 2022, 23H2 Edition (Server Core installation) -, Microsoft Corp Windows 11 24H2 - 64-bit, Microsoft Corp Windows 11 24H2 - ARM64, Microsoft Corp Windows Server 2025 -, Microsoft Corp Windows Server 2025 (Server Core installation) -, Microsoft Corp Windows 11 25H2 - 64-bit, Microsoft Corp Windows 11 25H2 - ARM64, ООО «Ред Софт» РЕД ОС 8.0 (запись в едином реестре российских программ №3751), Microsoft Corp Windows 11 26H1 - ARM64, Microsoft Corp Windows 11 26H1 - 64-bit

Mitigations

Использование рекомендаций производителя: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33116 Для .NET Runtime: https://github.com/dotnet/runtime/security/advisories/GHSA-37gx-xxp4-5rgx Для Ред ОС: https://redos.red-soft.ru/search/?iblock_id=24&q=CVE-2026-33116

Remediation

TO2653 Накопительное обновление .NET Framework 3.5 и 4.8.1 для Windows 11 24H2 для x64 систем (KB5082420), TO2654 Накопительное обновление .NET Framework 3.5, 4.7.2 и 4.8 для Windows 10 1809 для x64 систем (KB5084066), TO2655 Накопительное обновление .NET Framework 3.5 и 4.8.1 для Windows 10 21H2 для x64 систем (KB5082419), TO2656 Накопительное обновление .NET Framework 3.5 и 4.8 для Windows 10 21H2 для x64 систем (KB5082426)

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "TO2653, TO2654, TO2655, TO2656",
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": "TO2653 \u041d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET Framework 3.5 \u0438 4.8.1 \u0434\u043b\u044f Windows 11 24H2 \u0434\u043b\u044f x64 \u0441\u0438\u0441\u0442\u0435\u043c (KB5082420), TO2654 \u041d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET Framework 3.5, 4.7.2 \u0438 4.8 \u0434\u043b\u044f Windows 10 1809 \u0434\u043b\u044f x64 \u0441\u0438\u0441\u0442\u0435\u043c (KB5084066), TO2655 \u041d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET Framework 3.5 \u0438 4.8.1 \u0434\u043b\u044f Windows 10 21H2 \u0434\u043b\u044f x64 \u0441\u0438\u0441\u0442\u0435\u043c (KB5082419), TO2656 \u041d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET Framework 3.5 \u0438 4.8 \u0434\u043b\u044f Windows 10 21H2 \u0434\u043b\u044f x64 \u0441\u0438\u0441\u0442\u0435\u043c (KB5082426)",
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "\u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb, Microsoft Corp",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "7.3 (\u0420\u0415\u0414 \u041e\u0421), 8.0 (\u0420\u0415\u0414 \u041e\u0421), \u043e\u0442 9.0 \u0434\u043e 9.0.15 (.NET), \u043e\u0442 8.0 \u0434\u043e 8.0.26 (.NET), \u043e\u0442 10.0 \u0434\u043e 10.0.6 (.NET), \u0434\u043e 2.0.50727.9181 (Microsoft .NET Framework 3.5), \u0434\u043e 3.0.30729.9165 (Microsoft .NET Framework 3.5), \u0434\u043e 2.0.50727.8982 (Microsoft .NET Framework 3.5), \u0434\u043e 3.0.30729.8976 (Microsoft .NET Framework 3.5), \u0434\u043e 2.0.50727.9068 (Microsoft .NET Framework 3.5), \u0434\u043e 3.0.30729.9065 (Microsoft .NET Framework 3.5), \u0434\u043e 4.7.4141.0 (Microsoft .NET Framework 3.5), \u0434\u043e 4.8.4801.0 (Microsoft .NET Framework 3.5), \u0434\u043e 2.0.50727.9181 (Microsoft .NET Framework 4.8.1), \u0434\u043e 3.0.30729.9165 (Microsoft .NET Framework 4.8.1), \u0434\u043e 4.8.9332.0 (Microsoft .NET Framework 4.8.1), \u0434\u043e 4.8.4801.0 (Microsoft .NET Framework 4.8), \u0434\u043e 2.0.50727.9181 (Microsoft .NET Framework 4.8), \u0434\u043e 3.0.30729.9165 (Microsoft .NET Framework 4.8), \u0434\u043e 4.7.4141.0 (Microsoft .NET Framework 4.6.2), \u0434\u043e 4.8.4801.0 (Microsoft .NET Framework 4.6.2), \u0434\u043e 4.7.4141.0 (Microsoft .NET Framework 4.7), \u0434\u043e 4.8.4801.0 (Microsoft .NET Framework 4.7), \u0434\u043e 4.7.4141.0 (Microsoft .NET Framework 4.7.1), \u0434\u043e 4.8.4801.0 (Microsoft .NET Framework 4.7.1), \u0434\u043e 4.7.4141.0 (Microsoft .NET Framework 4.7.2), \u0434\u043e 4.8.4801.0 (Microsoft .NET Framework 4.7.2), \u0434\u043e 2.0.50727.9068 (Microsoft .NET Framework 4.7.2), \u0434\u043e 3.0.30729.9065 (Microsoft .NET Framework 4.7.2), \u0434\u043e 2.0.50727.9068 (Microsoft .NET Framework 4.8), \u0434\u043e 3.0.30729.9065 (Microsoft .NET Framework 4.8), \u043e\u0442 6.0.0 \u0434\u043e 6.0.36 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Microsoft .NET Runtime), \u043e\u0442 8.0.0 \u0434\u043e 8.0.25 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Microsoft .NET Runtime), \u043e\u0442 9.0.0 \u0434\u043e 9.0.15 (Microsoft .NET Runtime), \u043e\u0442 10.0.0 \u0434\u043e 10.0.6 (Microsoft .NET Runtime)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f:\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33116\n\n\u0414\u043b\u044f .NET Runtime:\nhttps://github.com/dotnet/runtime/security/advisories/GHSA-37gx-xxp4-5rgx\n\n\u0414\u043b\u044f \u0420\u0435\u0434 \u041e\u0421:\nhttps://redos.red-soft.ru/search/?iblock_id=24\u0026q=CVE-2026-33116",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "14.04.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "06.07.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "21.04.2026",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2026-05660",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2026-33116",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "\u0420\u0415\u0414 \u041e\u0421 (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751), .NET, Microsoft .NET Framework 3.5, Microsoft .NET Framework 4.8.1, Microsoft .NET Framework 4.8, Microsoft .NET Framework 4.6.2, Microsoft .NET Framework 4.7, Microsoft .NET Framework 4.7.1, Microsoft .NET Framework 4.7.2, Microsoft .NET Runtime",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "Microsoft Corp Windows Server 2012 - , Microsoft Corp Windows Server 2012 R2 - , Microsoft Corp Windows 10 1607 - 64-bit, Microsoft Corp Windows 10 1607 - 32-bit, Microsoft Corp Windows Server 2012 R2 (Server Core installation) - , Microsoft Corp Windows 10 1809 - 64-bit, Microsoft Corp Windows 10 1809 - 32-bit, Microsoft Corp Windows 10 1809 - ARM64, Microsoft Corp Windows Server 2022 - , Microsoft Corp Windows Server 2022 (Server Core installation) - , \u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb \u0420\u0415\u0414 \u041e\u0421 7.3  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751), Microsoft Corp Windows 10 21H2 - 64-bit, Microsoft Corp Windows 10 21H2 - 32-bit, Microsoft Corp Windows 10 21H2 - ARM64, Microsoft Corp Windows 11 22H2 - 64-bit, Microsoft Corp Windows 11 22H2 - ARM64, Microsoft Corp Windows 10 22H2 - 64-bit, Microsoft Corp Windows 10 22H2 - ARM64, Microsoft Corp Windows 10 22H2 - 32-bit, Microsoft Corp Windows Server 2012 (Server Core installation) - , Microsoft Corp Windows 11 23H2 - 64-bit, Microsoft Corp Windows 11 23H2 - ARM64, Microsoft Corp Windows Server 2022, 23H2 Edition (Server Core installation) - , Microsoft Corp Windows 11 24H2 - 64-bit, Microsoft Corp Windows 11 24H2 - ARM64, Microsoft Corp Windows Server 2025 - , Microsoft Corp Windows Server 2025 (Server Core installation) - , Microsoft Corp Windows 11 25H2 - 64-bit, Microsoft Corp Windows 11 25H2 - ARM64, \u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb \u0420\u0415\u0414 \u041e\u0421 8.0  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751), Microsoft Corp Windows 11 26H1 - ARM64, Microsoft Corp Windows 11 26H1 - 64-bit",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Microsoft .NET, Microsoft .NET Framework \u0438 \u0440\u0435\u0434\u0430\u043a\u0442\u043e\u0440\u0430 \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 Visual Studio, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u0430\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0432\u0432\u043e\u0434\u0438\u043c\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 (CWE-20), \u041d\u0435\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u0439 \u0440\u0430\u0441\u0445\u043e\u0434 \u0440\u0435\u0441\u0443\u0440\u0441\u0430 (\u00ab\u0418\u0441\u0442\u043e\u0449\u0435\u043d\u0438\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u0430\u00bb) (CWE-400), \u0412\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0446\u0438\u043a\u043b\u0430 \u0441 \u043d\u0435\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u043c \u0443\u0441\u043b\u043e\u0432\u0438\u0435\u043c \u0432\u044b\u0445\u043e\u0434\u0430 (\u0431\u0435\u0441\u043a\u043e\u043d\u0435\u0447\u043d\u044b\u0439 \u0446\u0438\u043a\u043b) (CWE-835)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Microsoft .NET, Microsoft .NET Framework \u0438 \u0440\u0435\u0434\u0430\u043a\u0442\u043e\u0440\u0430 \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 Visual Studio \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u0446\u0438\u043a\u043b\u0430 \u0441 \u043d\u0435\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u043c \u0443\u0441\u043b\u043e\u0432\u0438\u0435\u043c \u0432\u044b\u0445\u043e\u0434\u0430. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u0418\u0441\u0447\u0435\u0440\u043f\u0430\u043d\u0438\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432, \u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u0430\u043c\u0438, \u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33116\nhttps://redos.red-soft.ru/search/?iblock_id=24\u0026q=CVE-2026-33116\nhttps://github.com/dotnet/runtime/security/advisories/GHSA-37gx-xxp4-5rgx\nhttps://github.com/dotnet/announcements/issues/392\nhttps://github.com/dotnet/runtime",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0435 \u041f\u041e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-20, CWE-400, CWE-835",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,8)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.1 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,5)"
}

CVE-2026-33116 (GCVE-0-2026-33116)

Vulnerability from cvelistv5 – Published: 2026-04-14 16:57 – Updated: 2026-09-25 17:25

Title

.NET, .NET Framework, and Visual Studio Denial of Service Vulnerability

Summary

Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-14 19:48 UTC

CWE

CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CWE-400 - Uncontrolled Resource Consumption
CWE-20 - Improper Input Validation
CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

Assigner

microsoft mitre root Scorecard

References

21 references

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch
https://access.redhat.com/security/cve/CVE-2026-33116	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2457741	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:13281	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:13280	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8467	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8470	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8472	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8473	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8468	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8475	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:13693	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:13283	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:13282	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8471	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8469	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8474	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:9077	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:9080	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:9205	vendor-advisoryx_refsource_REDHAT

Impacted products

27 products

Vendor	Product	Version
Microsoft	.NET 10.0	Affected: 10.0.0 , < 10.0.6 (custom)
Microsoft	.NET 8.0	Affected: 8.0 , < 8.0.26 (custom)
Microsoft	.NET 8.0	Affected: 8.0.0 , < 8.0.26 (custom)
Microsoft	.NET 9.0	Affected: 9.0.0 , < 9.0.15 (custom)
Microsoft	Microsoft .NET Framework 3.5	Affected: 3.5.0 , < 2.0.50727.8982 & 3.0.30729.8976 (custom)
Microsoft	Microsoft .NET Framework 3.5 AND 4.7.2	Affected: 4.7.0 , < 2.0.50727.9068 & 3.0.30729.9065 & 4.7.4141.0 (custom)
Microsoft	Microsoft .NET Framework 3.5 AND 4.8	Affected: 4.8.0 , < 2.0.50727.9068 & 3.0.30729.9065 & 4.8.4801.0 (custom)
Microsoft	Microsoft .NET Framework 3.5 AND 4.8.1	Affected: 4.8.1 , < 2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0 (custom)
Microsoft	Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2	Affected: 4.7.0 , < 4.8.4801.0 (custom)
Microsoft	Microsoft .NET Framework 4.8	Affected: 4.8.0 , < 4.8.4801.0 (custom)
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:10.0.106-1.el10_1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:8.0.126-1.el10_1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:9.0.116-1.el10_1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 0:9.0.116-1.el10_0 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 0:8.0.126-1.el10_0 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:8.0.126-1.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:10.0.106-1.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:9.0.116-1.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:8.0.126-1.el9_7 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:10.0.106-1.el9_7 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:9.0.116-1.el9_7 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support	Unaffected: 0:8.0.126-1.el9_4 , < * (rpm) cpe:/a:redhat:rhel_eus:9.4
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:9.0.116-1.el9_6 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:8.0.126-1.el9_6 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat Hardened Images	Unaffected: 10.0.106-1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Hardened Images	Unaffected: 8.0.126-1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Hardened Images	Unaffected: 9.0.116-1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1

Date Public

2026-04-14 14:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-33116",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-14T19:48:26.946135Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-14T19:48:35.606Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "affected": [
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            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10.1"
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            "defaultStatus": "affected",
            "packageName": "dotnet10.0",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat",
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            "defaultStatus": "affected",
            "packageName": "dotnet8.0",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat",
            "versions": [
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            "defaultStatus": "affected",
            "packageName": "dotnet9.0",
            "product": "Red Hat Enterprise Linux 10",
            "vendor": "Red Hat",
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          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux_eus:10.0"
            ],
            "defaultStatus": "affected",
            "packageName": "dotnet9.0",
            "product": "Red Hat Enterprise Linux 10.0 Extended Update Support",
            "vendor": "Red Hat",
            "versions": [
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "0:9.0.116-1.el10_0",
                "versionType": "rpm"
              }
            ]
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/o:redhat:enterprise_linux_eus:10.0"
            ],
            "defaultStatus": "affected",
            "packageName": "dotnet8.0",
            "product": "Red Hat Enterprise Linux 10.0 Extended Update Support",
            "vendor": "Red Hat",
            "versions": [
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "0:8.0.126-1.el10_0",
                "versionType": "rpm"
              }
            ]
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:enterprise_linux:8"
            ],
            "defaultStatus": "affected",
            "packageName": "dotnet8.0",
            "product": "Red Hat Enterprise Linux 8",
            "vendor": "Red Hat",
            "versions": [
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "0:8.0.126-1.el8_10",
                "versionType": "rpm"
              }
            ]
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:enterprise_linux:8"
            ],
            "defaultStatus": "affected",
            "packageName": "dotnet10.0",
            "product": "Red Hat Enterprise Linux 8",
            "vendor": "Red Hat",
            "versions": [
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "0:10.0.106-1.el8_10",
                "versionType": "rpm"
              }
            ]
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:enterprise_linux:8"
            ],
            "defaultStatus": "affected",
            "packageName": "dotnet9.0",
            "product": "Red Hat Enterprise Linux 8",
            "vendor": "Red Hat",
            "versions": [
              {
                "lessThan": "*",
                "status": "unaffected",
                "version": "0:9.0.116-1.el8_10",
                "versionType": "rpm"
              }
            ]
          },
          {
            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:enterprise_linux:9"
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              "description": "CWE-20: Improper Input Validation",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-25T17:25:31.755Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": ".NET, .NET Framework, and Visual Studio Denial of Service Vulnerability",
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33116"
        }
      ],
      "title": ".NET, .NET Framework, and Visual Studio Denial of Service Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2026-33116",
    "datePublished": "2026-04-14T16:57:47.626Z",
    "dateReserved": "2026-03-17T20:15:23.721Z",
    "dateUpdated": "2026-09-25T17:25:31.755Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

BDU:2026-05660 (CVE-2026-33116)

CVE-2026-33116 (GCVE-0-2026-33116)

Tags

Sightings

Nomenclature

Related by attack behaviour