CVE-2026-120002: Microsoft SharePoint Server Elevation of Privilege Vulnerability
This Microsoft advisory covers CVE-2026-120002 in Microsoft SharePoint Server Subscription Edition.
- CVE-2026-120002
Key facts
- Vendor rating
- Critical, CVSS 9.9
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C· base score 9.9, scored by microsoftAttack vector: network. Attack complexity: low. Privileges required: low. User interaction: none. Scope: changed. Confidentiality impact: high. Integrity impact: high. Availability impact: high.- Weakness
- CWE-863: Incorrect Authorization
- CISA SSVC
- Exploitation: none observed. Automatable: no. Technical impact: total. CISA, .
- CISA KEV
- Not listed (catalogue checked )
- Fixed in
- KB5002945 (build 16.0.20326.20278)
- Source published
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
Microsoft SharePoint Server Elevation of Privilege Vulnerability
Affected product named by the advisory: Microsoft SharePoint Server Subscription Edition.
Text from the source record.
How to fix CVE-2026-120002
Upgrade to a fixed release named by Microsoft:
- KB5002945 (build 16.0.20326.20278)
Vendor guidance
- Install the applicable security update for your platform: KB5002945 (see the Microsoft Update Catalog).
End-of-life dates for Microsoft SharePoint Server
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Microsoft Server advisories, November 2026All Microsoft Server advisories
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