CVE-2026-83949

Published Sep 8, 2026

Last updated 20 hours ago

Overview

Description
Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Source
secure@microsoft.com
NVD status
Analyzed
Products
365_apps, office_2019, office_2021, office_2024, word

Risk scores

CVSS 3.1

Type
Secondary
Base score
5.5
Impact score
3.6
Exploitability score
1.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Severity
MEDIUM

Weaknesses

secure@microsoft.com
CWE-126

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.