CVE-2026-83951

Medium

Description

Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

SeverityMedium
CVSS5.5
Exploit probability—
ProductMicrosoft Office
PublishedSep 8, 2026
First seenSep 8, 2026
Weakness typeCWE-126CWE-126

How to fix

Affected products

ProductAffected versionsFixed in
microsoft office_2019No range specified—
microsoft 365_appsNo range specified—
microsoft office_2021No range specified—
microsoft office_2024No range specified—
microsoft word2016—

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