PT-2026-58585 · Microsoft · Office Word+1

Published 2026-07-14 · Updated 2026-07-15 · CVE-2026-55142

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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

Description A numeric truncation error occurs in Microsoft Office Word, which could allow an unauthorized attacker to disclose information locally. This issue enables attackers to obtain sensitive information and affect the system.

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

Weakness Enumeration

CWE-197

Related Identifiers

CVE-2026-55142

Affected Products

Office Word

Sharepoint Server

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-55142 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55142 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-55142 · Security Note
• https://twitter.com/windowsforum/status/2077454437140832740 · Twitter Post