CVE-2026-42974: CWE-190: Integer Overflow or Wraparound in Microsoft Windows 11 version 23H2
Integer overflow or wraparound in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-42974) involves an integer overflow or wraparound condition in the Windows Performance Monitor component of Microsoft Windows 11 version 23H2 (build 10.0.22631.0). Exploitation could allow an unauthenticated attacker to execute arbitrary code remotely. Microsoft has published an official fix to address this issue. The CVSS 3.1 base score is 8.1, reflecting high impact on confidentiality, integrity, and availability, with network attack vector and high attack complexity.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution without requiring user interaction or privileges, impacting system confidentiality, integrity, and availability. This could allow attackers to take full control of affected systems remotely.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42974 to remediate this vulnerability.
CVE-2026-42974: CWE-190: Integer Overflow or Wraparound in Microsoft Windows 11 version 23H2
Description
Integer overflow or wraparound in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 8.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-42974) involves an integer overflow or wraparound condition in the Windows Performance Monitor component of Microsoft Windows 11 version 23H2 (build 10.0.22631.0). Exploitation could allow an unauthenticated attacker to execute arbitrary code remotely. Microsoft has published an official fix to address this issue. The CVSS 3.1 base score is 8.1, reflecting high impact on confidentiality, integrity, and availability, with network attack vector and high attack complexity.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution without requiring user interaction or privileges, impacting system confidentiality, integrity, and availability. This could allow attackers to take full control of affected systems remotely.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42974 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-30T23:43:50.745Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42974","vendor":"Microsoft"}]
Threat ID: 6a284cc88dd33fbd856648d6
Added to database: 06/09/2026, 17:26:32 UTC
Last enriched: 07/29/2026, 21:49:29 UTC
Last updated: 07/31/2026, 21:26:44 UTC
Views: 63
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