CVE-2026-69491: Microsoft DirectMusic Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Microsoft DirectMusic allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft DirectMusic 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 6.2.9200.26349Patch KB5123065 - Upgrade
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Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
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Fixed in 10.0.14393.9512Patch KB5123099 - Upgrade
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Fixed in 10.0.26100.33438Patch KB5122871 - 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 10.0.22631.7582Patch 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 10.0.19044.7725Patch KB5122878 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9245Patch KB5122876 - Upgrade
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Fixed in 10.0.20348.5622Patch KB5122882 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7725Patch KB5122878
Event History
Frequently Asked Questions
Which systems should be prioritized for remediation?
The affected software list includes Windows 10, Windows 11, and Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025. Because the issue permits network-based code execution without authentication or user interaction, exposed systems in these product families should be prioritized.
Does exploitation require credentials or user interaction?
No. The supplied severity vector identifies network attack access, low attack complexity, no privileges required, and no user interaction.
What impact could successful exploitation have?
Successful exploitation can allow an unauthorized attacker to execute code. The severity vector indicates high potential impact to confidentiality, integrity, and availability.
Is there evidence of exploitation in the wild?
The provided exploit-code maturity value is E:U, which indicates exploit availability or exploitation status is unknown in the supplied data.