CVE-2026-62732
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk25th percentile - higher than 25% of all known CVEs
Summary
A heap-based buffer overflow exists in the Windows Telephony Service. This allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker could exploit this to execute code in kernel context, potentially leading to full system compromise.
Recommendation
Install the latest Windows security updates. Restrict access to telephony services 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-2026-62729High
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.
- CVE-2026-62724High
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