PT-2026-58575 · Microsoft · Office Word

Published 2026-07-14 · Updated 2026-07-15 · CVE-2026-55132

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description A double free issue exists in Microsoft Office Word, which allows an unauthorized attacker to execute code locally. This occurs when a victim opens a specially crafted file, leading to local code execution through human error.

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

RCE

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

CVE-2026-55132

Affected Products

Office Word

References · 4

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-55132 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55132 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-55132 · Security Note
• https://twitter.com/windowsforum/status/2077448899069968687 · Twitter Post