CWE-843
AllowedAccess of Resource Using Incompatible Type ('Type Confusion')
Abstraction: Base · Status: Incomplete
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
1169 vulnerabilities reference this CWE, most recent first.
GHSA-4G77-WHXW-4H2H
Vulnerability from github – Published: 2025-08-12 18:31 – Updated: 2025-08-12 18:31Access of resource using incompatible type ('type confusion') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
{
"affected": [],
"aliases": [
"CVE-2025-53725"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-08-12T18:15:41Z",
"severity": "HIGH"
},
"details": "Access of resource using incompatible type (\u0027type confusion\u0027) in Windows Push Notifications allows an authorized attacker to elevate privileges locally.",
"id": "GHSA-4g77-whxw-4h2h",
"modified": "2025-08-12T18:31:32Z",
"published": "2025-08-12T18:31:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-53725"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53725"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-4JQC-8M5R-9RPR
Vulnerability from github – Published: 2021-09-13 20:09 – Updated: 2023-11-03 20:24This affects the package set-value. A type confusion vulnerability can lead to a bypass of CVE-2019-10747 when the user-provided keys used in the path parameter are arrays.
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "set-value"
},
"ranges": [
{
"events": [
{
"introduced": "4.0.0"
},
{
"fixed": "4.0.1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "NuGet",
"name": "set-value-nuget"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "set-value"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "set-value"
},
"ranges": [
{
"events": [
{
"introduced": "3.0.0"
},
{
"fixed": "3.0.3"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2021-23440"
],
"database_specific": {
"cwe_ids": [
"CWE-1321",
"CWE-843"
],
"github_reviewed": true,
"github_reviewed_at": "2021-09-13T19:33:18Z",
"nvd_published_at": "2021-09-12T13:15:00Z",
"severity": "HIGH"
},
"details": "This affects the package `set-value`. A type confusion vulnerability can lead to a bypass of CVE-2019-10747 when the user-provided keys used in the path parameter are arrays.",
"id": "GHSA-4jqc-8m5r-9rpr",
"modified": "2023-11-03T20:24:57Z",
"published": "2021-09-13T20:09:36Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23440"
},
{
"type": "WEB",
"url": "https://github.com/jonschlinkert/set-value/pull/33"
},
{
"type": "WEB",
"url": "https://github.com/jonschlinkert/set-value/pull/33/commits/383b72d47c74a55ae8b6e231da548f9280a4296a"
},
{
"type": "WEB",
"url": "https://github.com/jonschlinkert/set-value/commit/09c4b108fea3c0260008590053ff13da64913245"
},
{
"type": "WEB",
"url": "https://github.com/jonschlinkert/set-value/commit/7cf8073bb06bf0c15e08475f9f952823b4576452"
},
{
"type": "WEB",
"url": "https://github.com/jonschlinkert/set-value/commit/cb12f14955dde6e61829d70d1851bfea6a3c31ad"
},
{
"type": "PACKAGE",
"url": "https://github.com/jonschlinkert/set-value"
},
{
"type": "WEB",
"url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1584212"
},
{
"type": "WEB",
"url": "https://snyk.io/vuln/SNYK-JS-SETVALUE-1540541"
},
{
"type": "WEB",
"url": "https://www.huntr.dev/bounties/2eae1159-01de-4f82-a177-7478a408c4a2"
},
{
"type": "WEB",
"url": "https://www.oracle.com/security-alerts/cpujan2022.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
}
],
"summary": "Prototype Pollution in set-value"
}
GHSA-4JXJ-M8QC-7MCW
Vulnerability from github – Published: 2025-04-17 12:30 – Updated: 2025-04-17 12:30Browser is affected by type confusion vulnerability, successful exploitation of this vulnerability may affect service availability.
{
"affected": [],
"aliases": [
"CVE-2025-2197"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-04-17T10:15:15Z",
"severity": "MODERATE"
},
"details": "Browser is affected by type confusion vulnerability, successful exploitation of this vulnerability may affect service availability.",
"id": "GHSA-4jxj-m8qc-7mcw",
"modified": "2025-04-17T12:30:32Z",
"published": "2025-04-17T12:30:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-2197"
},
{
"type": "WEB",
"url": "https://www.honor.com/global/security/cve-2025-2197"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-4M4W-X26H-2QJX
Vulnerability from github – Published: 2024-08-16 00:32 – Updated: 2024-11-22 04:25In shouldWrite of OwnersData.java, there is a possible edge case that prevents MDM policies from being persisted due to a logic error in the code. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
{
"affected": [],
"aliases": [
"CVE-2024-34742"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-08-15T22:15:06Z",
"severity": "MODERATE"
},
"details": "In shouldWrite of OwnersData.java, there is a possible edge case that prevents MDM policies from being persisted due to a logic error in the code. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.",
"id": "GHSA-4m4w-x26h-2qjx",
"modified": "2024-11-22T04:25:01Z",
"published": "2024-08-16T00:32:05Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-34742"
},
{
"type": "WEB",
"url": "https://android.googlesource.com/platform/frameworks/base/+/688e5c3012eb0a4ea88361588cf5026c10e4a42c"
},
{
"type": "WEB",
"url": "https://source.android.com/security/bulletin/2024-08-01"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-4M72-W697-5GPC
Vulnerability from github – Published: 2025-05-13 18:30 – Updated: 2025-05-13 18:30Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
{
"affected": [],
"aliases": [
"CVE-2025-30383"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-05-13T17:16:00Z",
"severity": "HIGH"
},
"details": "Access of resource using incompatible type (\u0027type confusion\u0027) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.",
"id": "GHSA-4m72-w697-5gpc",
"modified": "2025-05-13T18:30:56Z",
"published": "2025-05-13T18:30:56Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-30383"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30383"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-4MFR-5G26-5M2M
Vulnerability from github – Published: 2023-03-29 21:30 – Updated: 2023-04-06 15:30This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor 11.1.1.53537;. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within JavaScript optimizations. The issue results from an improper optimization, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-16733.
{
"affected": [],
"aliases": [
"CVE-2022-37377"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-03-29T19:15:00Z",
"severity": "HIGH"
},
"details": "This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor 11.1.1.53537;. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within JavaScript optimizations. The issue results from an improper optimization, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-16733.",
"id": "GHSA-4mfr-5g26-5m2m",
"modified": "2023-04-06T15:30:17Z",
"published": "2023-03-29T21:30:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-37377"
},
{
"type": "WEB",
"url": "https://www.foxit.com/support/security-bulletins.html"
},
{
"type": "WEB",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1049"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-4MX9-QJX4-Q9WF
Vulnerability from github – Published: 2026-09-08 18:33 – Updated: 2026-09-08 18:33Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
{
"affected": [],
"aliases": [
"CVE-2026-77889"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-08T18:20:38Z",
"severity": "HIGH"
},
"details": "Access of resource using incompatible type (\u0027type confusion\u0027) in Windows DHCP Server allows an unauthorized attacker to deny service over a network.",
"id": "GHSA-4mx9-qjx4-q9wf",
"modified": "2026-09-08T18:33:21Z",
"published": "2026-09-08T18:33:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77889"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77889"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-4PRC-GC25-X2H7
Vulnerability from github – Published: 2026-07-03 21:31 – Updated: 2026-07-03 21:31Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
{
"affected": [],
"aliases": [
"CVE-2026-58285"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-07-03T21:17:03Z",
"severity": "HIGH"
},
"details": "Access of resource using incompatible type (\u0027type confusion\u0027) in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.",
"id": "GHSA-4prc-gc25-x2h7",
"modified": "2026-07-03T21:31:40Z",
"published": "2026-07-03T21:31:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-58285"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58285"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-4PVG-F3M8-FF3J
Vulnerability from github – Published: 2024-01-17 00:30 – Updated: 2024-07-03 18:33Type confusion in V8 in Google Chrome prior to 120.0.6099.224 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
{
"affected": [],
"aliases": [
"CVE-2024-0518"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-01-16T22:15:37Z",
"severity": "HIGH"
},
"details": "Type confusion in V8 in Google Chrome prior to 120.0.6099.224 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)",
"id": "GHSA-4pvg-f3m8-ff3j",
"modified": "2024-07-03T18:33:21Z",
"published": "2024-01-17T00:30:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-0518"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2024/01/stable-channel-update-for-desktop_16.html"
},
{
"type": "WEB",
"url": "https://crbug.com/1507412"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IIUBRVICICWREJQUVT67RS7E4PVZQ5RS"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNN4SO5UI3U3Q6ASTVT6WMZ4723FYDLH"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-4Q56-G7VF-VCVC
Vulnerability from github – Published: 2024-08-12 15:30 – Updated: 2024-08-12 15:30Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
{
"affected": [],
"aliases": [
"CVE-2024-38219"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-08-12T13:38:24Z",
"severity": "MODERATE"
},
"details": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability",
"id": "GHSA-4q56-g7vf-vcvc",
"modified": "2024-08-12T15:30:49Z",
"published": "2024-08-12T15:30:49Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38219"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38219"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L",
"type": "CVSS_V3"
}
]
}
No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.