8.1
High
CVE-2026-102866 Improper verification of cryptographic signature in Microsoft Office SharePoint allows an unauthorized attacker to…
Description
Improper verification of cryptographic signature in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft SharePoint Server Subscription Edition 16.0 | 16.0.0 → < 16.0.20326.20190 | 16.0.20326.20190 |
References
- Microsoft Office SharePoint Elevation of Privilege Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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8.8
High
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8.8
High
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7.4
High
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8.8
High