High severity8.1NVD Advisory· Published Aug 11, 2026· Updated Aug 11, 2026
CVE-2026-62889
CVE-2026-62889
Description
Double free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
1- Microsoft Patch Tuesday Update August 2026 – 394 Vulnerabilities Fixed, Including 3 Zero-DaysCyber Security News · Aug 11, 2026