PT-2026-58240 · Microsoft · Windows

Published 2026-07-14 · Updated 2026-07-14 · CVE-2026-54995

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Microsoft Windows (affected versions not specified)

Description A use after free issue in the Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network. Use after free is a memory corruption flaw that occurs when an application continues to use a pointer after it has been freed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2026-54995

Affected Products

Windows

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-54995 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54995 · Vendor Advisory
• https://twitter.com/vuldb/status/2077124076032901472 · Twitter Post