CVE-2026-42981

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-42981
Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.

8.1 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42981 Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*
History

11 Jun 2026, 16:55

Type Values Removed Values Added
CPE cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
References () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42981 - () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42981 - Vendor Advisory
First Time Microsoft windows 11 24h2
Microsoft windows Server 2022
Microsoft windows Server 2025
Microsoft windows 11 25h2
Microsoft windows 11 23h2
Microsoft
Microsoft windows 11 26h1

09 Jun 2026, 17:17

Type Values Removed Values Added
New CVE
Information

Published : 2026-06-09 17:17

Updated : 2026-06-11 16:55

NVD link : CVE-2026-42981

Mitre link : CVE-2026-42981

CVE.ORG link : CVE-2026-42981

JSON object : View

Products Affected

microsoft

  • windows_11_25h2
  • windows_11_24h2
  • windows_11_26h1
  • windows_11_23h2
  • windows_server_2022
  • windows_server_2025
CWE
CWE-191

Integer Underflow (Wrap or Wraparound)