CVE-2026-55035

Microsoft Office Information Disclosure Vulnerability

CVE-2026-55035 is fixed in 5 products on 1 platform, first by KB5002887, released July 14, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.5

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0057

47th percentile

<p>Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.</p>

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft Office 2016 (32-bit edition)	KB5002887	Jul 14, 2026
Microsoft Office 2016 (64-bit edition)	KB5002887	Jul 14, 2026
Microsoft SharePoint Enterprise Server 2016	KB5002891	Jul 14, 2026
Microsoft SharePoint Enterprise Server 2016	KB5002892	Jul 14, 2026
Microsoft SharePoint Server 2019	KB5002883	Jul 14, 2026
Microsoft SharePoint Server 2019	KB5002885	Jul 14, 2026
Microsoft SharePoint Server Subscription Edition	KB5002882	Jul 14, 2026

Details

Published
July 14, 2026
Weakness
Out-of-bounds Read
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55035

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