CVE-2026-69386: Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Heap-based buffer overflow 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 10.0.26100.33438Patch KB5122871 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
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Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.19045.7725Patch KB5122878 - Upgrade
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Fixed in 10.0.22631.7582Patch KB5122880 - 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 10.0.19044.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9245Patch KB5122876 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5622Patch KB5122882
Event History
Frequently Asked Questions
What does an attacker need to exploit this issue?
The attacker is unauthorized and can attempt exploitation over a network, but user interaction is required. The supplied data does not specify the form of interaction or any authentication requirement.
Which systems should be considered potentially affected?
Microsoft Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, and Windows Server 2025 are listed as affected software. The provided data does not identify specific editions, builds, or patch levels.
What is the potential impact of successful exploitation?
Successful exploitation can allow code execution with high impacts to confidentiality, integrity, and availability. The vulnerability is a heap-based buffer overflow.