CVE-2026-59126CWE-362

CVE-2026-59126

High · published August 11, 2026

CVSS v3.1
7.0
EPSS
0%
Percentile
9.6
In the wild
Unconfirmed
What it is

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Event Logging Service allows an authorized attacker to elevate privileges locally.

The record
Technical detail
CVSS v3.1
7.0 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00202 · 9.6th percentile
Weakness
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Published
2026-08-11T21:18Z
Affected products (16)
ProductVersionsFixed in
microsoft/windows_10_21h2< 10.0.19044.766310.0.19044.7663
microsoft/windows_10_21h2< 10.0.19044.766310.0.19044.7663
microsoft/windows_10_21h2< 10.0.19044.766310.0.19044.7663
microsoft/windows_10_22h2< 10.0.19045.766310.0.19045.7663
microsoft/windows_10_22h2< 10.0.19045.766310.0.19045.7663
microsoft/windows_10_22h2< 10.0.19045.766310.0.19045.7663
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_2022< 10.0.20348.544010.0.20348.5440
microsoft/windows_server_2025< 10.0.26100.3322210.0.26100.33222
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59126 · [email protected]
EPSS history
Timeline
  • 11 AUG 17:05Z
    Windows Event Logging Service Elevation of Privilege Vulnerability
    cvelistv5