CVE-2026-26167: Windows Push Notifications Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
Other sources
Windows Push Notifications Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9060Patch KB5082198 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.32690Patch KB5082063 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.25398.2274Patch KB5082060 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.8246Patch KB5083769 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.8246Patch KB5083769 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.6936Patch KB5082052 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7184Patch KB5082200 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7184Patch KB5082200 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5020Patch KB5082142 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.8644Patch KB5082123 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.1836Patch KB5083768
Event History
Frequently Asked Questions
What is the severity of CVE-2026-26167?
CVE-2026-26167 is rated as a critical severity vulnerability due to the potential for privilege escalation.
How do I fix CVE-2026-26167?
To remediate CVE-2026-26167, apply the relevant security updates or patches provided by Microsoft for affected software.
What types of systems are affected by CVE-2026-26167?
CVE-2026-26167 affects various versions of Microsoft Windows including Windows 10, Windows 11, and Windows Server editions.
What is the impact of CVE-2026-26167?
Exploitation of CVE-2026-26167 could allow an attacker to elevate their privileges on the system.
Who is vulnerable to CVE-2026-26167?
Any user of the affected Windows products, if not updated, is at risk of exploitation from CVE-2026-26167.