CVE-2026-20944 — Out-of-bounds Read in Microsoft 365 Apps FOR Enterprise

CWE-125 — Out-of-bounds Read5 documents5 sources
Severity
8.4HIGHNVD
EPSS
0.0%
top 91.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Microsoft 365 Apps FOR EnterpriseMicrosoft Office Ltsc FOR MAC 2021Microsoft Office Ltsc FOR MAC 2024+1 more
Timeline
PublishedJan 13

Description

Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.5 | Impact: 5.9

Affected Packages4 packages

▶CVEListV5microsoft/microsoft_office_ltsc_for_mac_202116.0.1 — 16.105.26011018
▶CVEListV5microsoft/microsoft_office_ltsc_for_mac_202416.0.0 — 16.105.26011018
▶CVEListV5microsoft/microsoft_365_apps_for_enterprise16.0.1 — https://aka.ms/OfficeSecurityReleases

🔴Vulnerability Details

2
GHSA
GHSA-323h-xxg4-72gc: Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally↗2026-01-13
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CVEList
Microsoft Word Remote Code Execution Vulnerability↗2026-01-13
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📋Vendor Advisories

1
Microsoft
Microsoft Word Remote Code Execution Vulnerability↗2026-01-13
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🕵️Threat Intelligence

1
Wiz
CVE-2026-20944 Impact, Exploitability, and Mitigation Steps | Wiz↗
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