CVE-2026-69671

Microsoft Office Word Remote Code Execution Vulnerability

CVE-2026-69671 is fixed in 2 products on 1 platform, first by KB5002923, released September 8, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

8.8

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0082

57th percentile

<p>Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.</p>

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft Word 2016 (32-bit edition)	KB5002923	Sep 8, 2026
Microsoft Word 2016 (64-bit edition)	KB5002923	Sep 8, 2026

Details

Published
September 8, 2026
Weakness
Heap-based Buffer Overflow
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69671

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