CVE-2026-45484
Microsoft SharePoint Elevation of Privilege Vulnerability
- Published
- Last modified
- Status
- published
- Known exploitation
- Not listed in CISA KEV
- Fix
- Fixed in 16.0.5556.1005, 16.0.10417.20153, 16.0.19725.20384
- Public exploit
- None on Exploit-DB
CISA SSVC
- Exploitation: none
- Automatable: no
- Technical impact: total
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Decision points from CISA's Vulnrichment, assessed (SSVC 2.0.3).
SSVC documentationSummary
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Affected versions
- Microsoft Microsoft SharePoint Enterprise Server 2016
From 16.0.0 · fixed in 16.0.5556.1005
- Microsoft Microsoft SharePoint Server 2019
From 16.0.0 · fixed in 16.0.10417.20153
- Microsoft Microsoft SharePoint Server Subscription Edition
From 16.0.0 · fixed in 16.0.19725.20384