CVE-2026-26172
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate priv…
Published Apr 14, 2026 · updated Oct 14, 2026 · microsoft windows 10 21h2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
Timeline
Detection, updates, and resolution for this record.
Apr 14, 2026 · NIST NVD
Detected
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
Oct 14, 2026 · NIST NVD
Updated
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
Affected
- cpe microsoft/windows 10 21h2version unspecified
- cpe microsoft/windows 10 22h2version unspecified
- cpe microsoft/windows 11 23h2version unspecified
Sources
- CVE.orgCVE-2026-26172
Official CVE identifier
cve.org - FIRST EPSSCVE-2026-26172
30-day exploitation probability 0.2%
first.org - NIST NVDCVE-2026-26172
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
nvd.nist.gov