CVE-2026-62779
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk16th percentile - higher than 16% of all known CVEs
Summary
Use after free in Windows Schannel allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker could gain elevated privileges, potentially compromising communication security and the system.
Recommendation
Install the latest security updates from Microsoft for Windows.
Other vulnerabilities in Windows Schannel
See all- CVE-2026-85818Critical
Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.
- CVE-2026-105008Critical
No cwe for this issue in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.
- CVE-2026-72940High
Heap-based buffer overflow in Windows Schannel allows an unauthorized attacker to execute code over a network.
- CVE-2026-70575Medium
Null pointer dereference in Windows Schannel allows an authorized attacker to cause a denial of service over a network.
- CVE-2026-62757Medium
Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to bypass a security feature over a network.
- CVE-2026-56186High
Out-of-bounds read in Windows Schannel allows an authorized attacker to disclose information over a network.
Original NVD description (English source)
Use after free in Windows Schannel allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

