cve-2021-26434
Vulnerability from cvelistv5
Published
2021-09-15 11:23
Modified
2024-08-03 20:26
Severity ?
EPSS score ?
0.64%
(0.68318)
Summary
Visual Studio Elevation of Privilege Vulnerability
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secure@microsoft.com | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26434 | Patch, Vendor Advisory | |
| secure@microsoft.com | https://www.zerodayinitiative.com/advisories/ZDI-21-1077/ | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26434 | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.zerodayinitiative.com/advisories/ZDI-21-1077/ | Third Party Advisory, VDB Entry |
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▼ | Microsoft | Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) |
Version: 15.9.0 < 15.9.39 cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:* |
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{ lessThan: "16.4.26", status: "affected", version: "16.0", versionType: "custom", }, ], }, { cpes: [ "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*", ], platforms: [ "Unknown", ], product: "Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)", vendor: "Microsoft", versions: [ { lessThan: "16.7.19", status: "affected", version: "16.0.0", versionType: "custom", }, ], }, { cpes: [ "cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*", ], platforms: [ "Unknown", ], product: "Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)", vendor: "Microsoft", versions: [ { lessThan: "16.9.11", status: "affected", version: "15.0.0", versionType: "custom", }, ], }, { cpes: [ "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*", ], platforms: [ "Unknown", ], product: "Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)", vendor: "Microsoft", versions: [ { lessThan: "16.11.3", status: "affected", version: "16.11.0", versionType: "custom", }, ], }, ], datePublic: "2021-09-14T07:00:00+00:00", descriptions: [ { lang: "en-US", value: "Visual Studio Elevation of Privilege Vulnerability", }, ], metrics: [ { cvssV3_1: { baseScore: 7.8, baseSeverity: "HIGH", vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C", version: "3.1", }, format: "CVSS", scenarios: [ { lang: "en-US", value: "GENERAL", }, ], }, ], problemTypes: [ { descriptions: [ { description: "Elevation of Privilege", lang: "en-US", type: "Impact", }, ], }, ], providerMetadata: { dateUpdated: "2023-12-28T19:37:25.359Z", orgId: "f38d906d-7342-40ea-92c1-6c4a2c6478c8", shortName: "microsoft", }, references: [ { tags: [ "x_refsource_MISC", ], url: "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26434", }, { tags: [ "x_refsource_MISC", ], url: "https://www.zerodayinitiative.com/advisories/ZDI-21-1077/", }, ], title: "Visual Studio Elevation of Privilege Vulnerability", }, }, cveMetadata: { assignerOrgId: "f38d906d-7342-40ea-92c1-6c4a2c6478c8", assignerShortName: "microsoft", cveId: "CVE-2021-26434", datePublished: "2021-09-15T11:23:00", dateReserved: "2021-01-29T00:00:00", dateUpdated: "2024-08-03T20:26:25.193Z", state: "PUBLISHED", }, dataType: "CVE_RECORD", dataVersion: "5.1", "vulnerability-lookup:meta": { fkie_nvd: { configurations: "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"15.0\", \"versionEndIncluding\": \"15.9\", \"matchCriteriaId\": \"CE03B37D-72FE-4C25-BE62-9C422AEFC80E\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"16.0\", \"versionEndIncluding\": \"16.11\", \"matchCriteriaId\": \"C9984FFB-8AFA-438F-B762-B98649B64B23\"}]}]}]", descriptions: "[{\"lang\": \"en\", \"value\": \"Visual Studio Elevation of Privilege Vulnerability\"}, {\"lang\": \"es\", \"value\": \"Una Vulnerabilidad de Elevaci\\u00f3n de Privilegios en Visual Studio\"}]", id: "CVE-2021-26434", lastModified: "2024-11-21T05:56:22.743", metrics: "{\"cvssMetricV31\": [{\"source\": \"secure@microsoft.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}, {\"source\": \"nvd@nist.gov\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:C/I:C/A:C\", \"baseScore\": 7.2, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"COMPLETE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 3.9, \"impactScore\": 10.0, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}", published: "2021-09-15T12:15:09.150", references: "[{\"url\": 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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.