CVE-2026-61353
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk24th percentile - higher than 24% of all known CVEs
Summary
A heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker could exploit the buffer overflow to execute code with elevated privileges, potentially leading to system takeover.
Recommendation
Apply security updates. Restrict access to the Telephony Service to trusted users only.
Other vulnerabilities in Windows Telephony Service
See all- CVE-2026-42825High
A 'use after free' vulnerability in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-40382High
A use after free vulnerability in Windows Telephony Service allows an authorized attacker to locally elevate privileges.
- CVE-2026-34338High
A use after free vulnerability in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-62727High
A race condition in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-62748High
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-62734High
A race condition exists in the Windows Telephony Service during concurrent execution using shared resources. This allows an authorized attacker to elevate privileges locally.
- CVE-2026-62732High
A heap-based buffer overflow exists in the Windows Telephony Service. This allows an authorized attacker to elevate privileges locally.
- CVE-2026-62729High
A race condition exists in the Windows Telephony Service during concurrent execution using shared resources. This allows an authorized attacker to elevate privileges locally.
- CVE-2026-62726High
A use after free vulnerability exists in the Windows Telephony Service. This allows an authorized attacker to elevate privileges locally.
- CVE-2026-62725High
A use after free vulnerability exists in the Windows Telephony Service. This allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS