CVE-2026-32209: Windows Filtering Platform (WFP) Security Feature Bypass Vulnerability
Improper access control in Windows Filtering Platform (WFP) allows an authorized attacker to bypass a security feature locally.
Other sources
Windows Filtering Platform (WFP) Security Feature Bypass 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 10.0.20348.5139Fixed in 10.0.20348.5074Patch KB5087424 - Upgrade
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Fixed in 10.0.17763.8755Patch KB5087538 - Upgrade
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Fixed in 6.2.9200.26079Patch KB5087470 - Upgrade
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Fixed in 10.0.14393.9140Patch KB5087537 - Upgrade
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Fixed in 6.3.9600.23181Patch KB5087471 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.8457Fixed in 10.0.26100.8390Patch KB5089466 - Upgrade
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Fixed in 10.0.26100.32860Fixed in 10.0.26100.32772Patch KB5087423 - Upgrade
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Fixed in 10.0.28000.2113Patch KB5089548 - Upgrade
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Fixed in 10.0.25398.2330Patch KB5087541 - Upgrade
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Fixed in 10.0.22631.7219Patch KB5093998 - Upgrade
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Fixed in 10.0.22631.7079Patch KB5087420 - Upgrade
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Fixed in 10.0.19045.7417Patch KB5094127 - Upgrade
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Fixed in 10.0.19044.7291Patch KB5087544 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.8457Fixed in 10.0.26200.8390Patch KB5089466
Event History
Frequently Asked Questions
What is the severity of CVE-2026-32209?
CVE-2026-32209 is rated as important, indicating a significant impact on the security of affected systems.
How does CVE-2026-32209 affect systems?
CVE-2026-32209 allows an authorized attacker to bypass security features within the Windows Filtering Platform (WFP), potentially compromising system integrity.
How do I fix CVE-2026-32209?
To fix CVE-2026-32209, apply the latest security updates provided by Microsoft for your specific Windows version.
Which Windows versions are affected by CVE-2026-32209?
CVE-2026-32209 affects multiple Windows Server and Windows 10 versions, including Windows Server 2022 and Windows 10 versions 1607, 1809, and 21H2.
What should I do if I cannot apply the update for CVE-2026-32209 immediately?
If immediate updating is not possible, limit access to the affected systems and implement strong monitoring practices to detect suspicious activity.