Microsoft · Security update · July 14, 2026

KB5002884: July 2026 security update

KB5002884, released July 14, 2026, fixes 56 CVEs in Office Online Server. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

3 rated Critical

Exploited

None reported

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.0092

60th percentile

Priority of the 56 CVEs

Patch now 0
                                Urgent 3
                                High 39
                                Routine 14

Applies to

Product
Office Online Server

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Urgent	CVE-2026-68794	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
Urgent	CVE-2026-68804	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
Urgent	CVE-2026-68816	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-65807	Microsoft Office Excel	Remote Code Execution	8.8	0.0082	Exploitation Less Likely
High	CVE-2026-55122	Microsoft Office Excel	Information Disclosure	7.1	0.0053	Exploitation Less Likely
High	CVE-2026-47642	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-50675	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-54131	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55024	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55025	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Unlikely
High	CVE-2026-55029	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55031	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55036	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55037	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55039	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55041	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55044	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55048	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55053	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55058	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55131	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55136	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Unlikely
High	CVE-2026-55137	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55141	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely
High	CVE-2026-55899	Microsoft Office Excel	Remote Code Execution	7.8	0.0047	Exploitation Less Likely

Released the same day

KB5002273
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB5002748
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB5002830
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB5002867
Microsoft PowerPoint 2016 (32-bit edition), Microsoft PowerPoint 2016 (64-bit edition)
KB5002882
Microsoft SharePoint Server Subscription Edition
KB5002883
Microsoft SharePoint Server 2019
KB5002885
Microsoft SharePoint Server 2019
KB5002886
Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition)
KB5002887
Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition)
KB5002890
Microsoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition)
KB5002891
Microsoft SharePoint Enterprise Server 2016
KB5002892
Microsoft SharePoint Enterprise Server 2016

Vendor advisory

https://support.microsoft.com/help/5002884

Our write-up

July 2026 Patch Tuesday: The Largest Release on Record, and It Wasn't Just Microsoft

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