Improper verification of cryptographic signature in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.
Improper verification of cryptographic signature in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Microsoft
- Product
- office, sharepoint
- CVSS
- 8.1
- EPSS
- 0.007 (p52)
- Exposure class
- Collaboration
Why it ranks 33 (Notable)
- CVSS 8.1 high
- Product class: collaboration
- Widely deployed vendor product (Microsoft)
- Covered by 4 independent sources
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-102866 on this site · NVD · CVE.org · Vulnpedia
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