PT-2026-58567 · Microsoft · Office Word+1

CVE-2026-55124 · Published 2026-07-14 · Updated 2026-07-15

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 Improper validation of a specified input type allows an unauthorized attacker to disclose information locally. This issue is characterized as an information leak rather than remote code execution.

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

RCE

DoS

Weakness Enumeration

CWE-1287

CWE-20

Related Identifiers

CVE-2026-55124

Affected Products

Office Word

Sharepoint Server

References · 4

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55124 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-55124 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-55124 · Security Note
• https://twitter.com/windowsforum/status/2077427271594385602 · Twitter Post