CVE-2026-62690: Windows Push Notifications Elevation of Privilege Vulnerability

highCVSS 7CVE-2026-62690

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

CSIRTS triage

vendor: Microsoft product: Windows Push Notifications Privilege escalation

What: Race condition in Push Notifications allows privilege escalation through concurrent execution.
Who is affected: Authorized local attackers on Windows systems using Push Notifications.
Urgency: High severity (CVSS 7.0); not currently exploited but race conditions can be reliable attack vectors.
Action: Apply the latest Windows security patch addressing CVE-2026-62690.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62690

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-626900.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-62690	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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