CVE-2026-69408: Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Integer overflow or wraparound in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft Windows Media Foundation Remote Code Execution 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 6.3.9600.23397Patch KB5123066 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9512Patch KB5123099 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26349Patch KB5123065 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5622Patch KB5122882 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9245Patch KB5122876
Event History
Frequently Asked Questions
Which systems should be prioritized for assessment?
Assess systems running Microsoft Windows 10, Windows 11, or Windows Server 2012, 2012 R2, 2016, 2019, 2022, or 2025. The issue is rated critical with a 9.8 severity score and affects confidentiality, integrity, and availability.
Does exploitation require authentication or user interaction?
No. The supplied vector indicates network-based exploitation with low attack complexity, no privileges required, and no user interaction required.
What is the likely security impact if exploitation succeeds?
An unauthorized attacker can execute code remotely. The vulnerability is associated with an integer overflow or wraparound in Microsoft Windows Media Foundation, with high impact to confidentiality, integrity, and availability.
When was this vulnerability published?
It was published on 2026-09-08 and was also modified on 2026-09-08.