CVE-2026-62908: Windows Backup Engine Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.
Other sources
Windows Backup Engine 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 10.0.26100.33296Fixed in 10.0.26100.33222Patch KB5120228 - Upgrade
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Fixed in 10.0.26100.9168Fixed in 10.0.26000.9106Patch KB5120994 - Upgrade
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Fixed in 10.0.26100.9168Fixed in 10.0.26100.9106Patch KB5120994 - Upgrade
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Fixed in 10.0.22631.7517Patch KB5120240 - Upgrade
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Fixed in 10.0.26200.9168Fixed in 10.0.26100.9106Patch KB5120994 - Upgrade
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Fixed in 10.0.28000.2704Patch KB5121000 - Upgrade
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Fixed in 10.0.19045.7663Patch KB5120249 - Upgrade
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Fixed in 10.0.20348.5499Fixed in 10.0.20348.5440Patch KB5120229 - Upgrade
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Fixed in 10.0.19044.7663Patch KB5120249 - Upgrade
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Fixed in 10.0.17763.9115Patch KB5120238 - Upgrade
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Fixed in 6.3.9600.23337Patch KB5120386 - Upgrade
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Fixed in 10.0.14393.9418Patch KB5120418 - Upgrade
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Fixed in 6.2.9200.26279Patch KB5120385
Event History
Frequently Asked Questions
What is the severity of CVE-2026-62908?
CVE-2026-62908 has a severity rating of high, with a score of 7.
How do I fix CVE-2026-62908?
To remediate CVE-2026-62908, you should apply the latest security updates provided by Microsoft for your Windows operating system.
What systems are affected by CVE-2026-62908?
CVE-2026-62908 affects Microsoft Windows 10, Windows 11, and various versions of Windows Server.
What type of vulnerability is CVE-2026-62908?
CVE-2026-62908 is a race condition vulnerability that allows an attacker to elevate privileges locally.
What are the potential consequences of exploiting CVE-2026-62908?
Exploiting CVE-2026-62908 could allow an authorized attacker to gain elevated privileges on the affected system.