CVE-2026-42974: CWE-190: Integer Overflow or Wraparound in Microsoft Windows 11 version 23H2
CVE-2026-42974 is an integer underflow vulnerability in the Windows Performance Monitor component of Microsoft Windows 11 version 23H2 (build 10. 0. 22631. 0). This flaw could allow an unauthorized attacker to execute code remotely over a network. The vulnerability has a high severity rating with a CVSS score of 8. 1. Microsoft has released an official fix to address this issue.
AI Analysis
Technical Summary
This vulnerability involves an integer underflow (wraparound) condition in the Windows Performance Monitor on Windows 11 version 23H2 (build 10.0.22631.0). Exploiting this flaw could enable an unauthenticated attacker to execute arbitrary code remotely. The vulnerability is tracked as CWE-190 (Integer Overflow or Wraparound). Microsoft has published an official security update to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution without requiring user interaction or privileges, potentially allowing an attacker to fully compromise the affected system. The confidentiality, integrity, and availability of the system could be severely impacted.
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
CVE-2026-42974 is an integer underflow vulnerability in the Windows Performance Monitor component of Microsoft Windows 11 version 23H2 (build 10. 0. 22631. 0). This flaw could allow an unauthorized attacker to execute code remotely over a network. The vulnerability has a high severity rating with a CVSS score of 8. 1. Microsoft has released an official fix to address this issue.
CVSS v3.1
Score 8.1high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an integer underflow (wraparound) condition in the Windows Performance Monitor on Windows 11 version 23H2 (build 10.0.22631.0). Exploiting this flaw could enable an unauthenticated attacker to execute arbitrary code remotely. The vulnerability is tracked as CWE-190 (Integer Overflow or Wraparound). Microsoft has published an official security update to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution without requiring user interaction or privileges, potentially allowing an attacker to fully compromise the affected system. The confidentiality, integrity, and availability of the system could be severely impacted.
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: 6/9/2026, 5:26:32 PM
Last enriched: 6/9/2026, 10:56:50 PM
Last updated: 6/10/2026, 4:29:53 AM
Views: 3
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