PT-2026-70584 · Microsoft · Sstp+1

CVE-2026-62889

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Published

2026-08-11

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Updated

2026-08-20

CVSS v3.1

8.1

High

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Windows Secure Socket Tunneling Protocol (SSTP) (affected versions not specified)
Description A double free issue in the Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized remote attacker to execute arbitrary code over a network and affect the system. A double free occurs when an application attempts to free the same memory location twice, which can lead to memory corruption.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Double Free

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Weakness Enumeration

Related Identifiers

BDU:2026-13291
CVE-2026-62889

Affected Products

Sstp
Windows