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Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
What this means
In plain English
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Recommended action
Upgrade to a vendor-listed fixed release: KB5002891 (build 16.0.5561.1001), KB5002892 (build 16.0.5561.1001), KB5002883 (build 16.0.10417.20175), KB5002885 (build 16.0.10417.20175), KB5002882 (build 16.0.19725.20434), KB5002890 (build 16.0.5561.1000). Vendor-listed mitigations/workarounds: Install the applicable security update for your platform: KB5002891, KB5002892, KB5002883, KB5002885, KB5002882, KB5002890 (see the Microsoft Update Catalog).
Generated from the parsed advisory data above. The vendor advisory is authoritative.
Discussion(0)
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Microsoft SharePoint Enterprise Server 2016 16.0.0
Microsoft SharePoint Server 2019 16.0.0
Microsoft SharePoint Server Subscription Edition 16.0.0
Microsoft Word 2016 16.0.1
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
KB5002891 (build 16.0.5561.1001)
KB5002892 (build 16.0.5561.1001)
KB5002883 (build 16.0.10417.20175)
KB5002885 (build 16.0.10417.20175)
KB5002882 (build 16.0.19725.20434)
KB5002890 (build 16.0.5561.1000)
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
Install the applicable security update for your platform: KB5002891, KB5002892, KB5002883, KB5002885, KB5002882, KB5002890 (see the Microsoft Update Catalog).
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Official documentation
Direct download of the KB5002892 security update named in the MSRC remediation data for this CVE.