CVE-2026-69456
HighCVSS 7.8Summary
Heap-based buffer overflow in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.
Risk Assessment
A local attacker with privileges could gain higher privileges, potentially leading to full system compromise.
Recommendation
Apply the latest Windows security updates.
Other vulnerabilities in Microsoft Windows Speech
See all- CVE-2026-69531Medium
Unintended proxy or intermediary ('confused deputy') in Microsoft Windows Speech allows an authorized attacker to perform tampering locally.
- CVE-2026-69444High
Heap-based buffer overflow in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.
- CVE-2026-49171High
In Microsoft Windows Speech, a use-after-free vulnerability allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Heap-based buffer overflow in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.

