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CVE-2026-69491: Microsoft DirectMusic Remote Code Execution Vulnerability

criticalCVSS 9.8CVE-2026-69491
Heap-based buffer overflow in Windows Microsoft DirectMusic allows an unauthorized attacker to execute code over a network.

Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
critical — CVSS 9.8
Published
2026-09-08
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69491

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-69491coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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