CVE-2026-62798CWE-822

CVE-2026-62798

Medium · published August 11, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
33.5
In the wild
Unconfirmed
What it is

Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00404 · 33.5th percentile
Weakness
CWE-822 · Untrusted Pointer Dereference
Published
2026-08-11T21:18Z
Affected products (9)
ProductVersionsFixed in
microsoft/windows_11_23h2< 10.0.22631.751710.0.22631.7517
microsoft/windows_11_23h2< 10.0.22631.751710.0.22631.7517
microsoft/windows_11_24h2< 10.0.26100.910610.0.26100.9106
microsoft/windows_11_24h2< 10.0.26100.910610.0.26100.9106
microsoft/windows_11_25h2< 10.0.26200.910610.0.26200.9106
microsoft/windows_11_25h2< 10.0.26200.910610.0.26200.9106
microsoft/windows_11_26h1< 10.0.28000.270410.0.28000.2704
microsoft/windows_11_26h1< 10.0.28000.270410.0.28000.2704
microsoft/windows_server_2025< 10.0.26100.3322210.0.26100.33222
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62798 · [email protected]
EPSS history
Timeline
  • 11 AUG 17:04Z
    Win32k Information Disclosure Vulnerability
    cvelistv5