CVE-2026-71331CWE-122CWE-190

CVE-2026-71331

High · published August 11, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
53.0
In the wild
Unconfirmed
What it is

Integer overflow or wraparound in Windows Device Health Attestation (DHA) 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
CVSS v4.0
Not supplied
EPSS
0.00707 · 53.0th percentile
Weaknesses
CWE-122 · Heap-based Buffer Overflow; CWE-190 · Integer Overflow or Wraparound
Published
2026-08-11T21:19Z
Affected products (5)
ProductVersionsFixed in
microsoft/windows_10_1809< 10.0.17763.912110.0.17763.9121
microsoft/windows_10_1809< 10.0.17763.912110.0.17763.9121
microsoft/windows_server_2019< 10.0.17763.912110.0.17763.9121
microsoft/windows_server_2022< 10.0.20348.544010.0.20348.5440
microsoft/windows_server_2025< 10.0.26100.3329610.0.26100.33296
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71331 · [email protected]
EPSS history
Timeline
  • 11 AUG 17:07Z
    Windows Device Health Attestation (DHA) Remote Code Execution Vulnerability
    cvelistv5