CVE-2026-69531: Microsoft Windows Speech Tampering Vulnerability
Unintended proxy or intermediary ('confused deputy') in Microsoft Windows Speech allows an authorized attacker to perform tampering locally.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69531
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-69531 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for Microsoft Windows Speech
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- mediumCVE-2026-69531: Unintended proxy or intermediary ('confused deputy') in Microsoft Windows Speech allows an aut…nvd · 2026-09-08
- highCVE-2026-69456: Heap-based buffer overflow in Microsoft Windows Speech allows an authorized attacker to elevat…nvd · 2026-09-08
- highCVE-2026-69444: Heap-based buffer overflow in Microsoft Windows Speech allows an authorized attacker to elevat…nvd · 2026-09-08
- highCVE-2026-69456: Microsoft Windows Speech Elevation of Privilege Vulnerabilitymsrc · 2026-09-08
- highCVE-2026-69444: Microsoft Windows Speech Elevation of Privilege Vulnerabilitymsrc · 2026-09-08
- highCVE-2026-49171: Use after free in Microsoft Windows Speech allows an authorized attacker to elevate privileges…nvd · 2026-07-14
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