VulnerabilityAnalyzed
CVE-2026-102861
Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
HIGH 8.8EPSS 0.81%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.81% probability · 57th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-862
- Affected
- microsoft/sharepoint server
- Source
- secure@microsoft.com
EPSS moved from 0.7% on 14 October 2026 to 0.8% on 26 October 2026.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102861Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.