CVE-2026-42981CWE-191

Windows Performance Monitor Remote Code Execution Vulnerability

High · published June 9, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
52.9
In the wild
Unconfirmed
What it is

Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00707 · 52.9th percentile
Weakness
CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2026-06-09T17:06Z
EPSS history
Timeline
  • 09 JUN 17:06Z
    Windows Performance Monitor Remote Code Execution Vulnerability
    cvelistv5