Vulnerability · Published Oct 13, 2026 · Assigned by microsoft
CVE-2026-70251Microsoft Office SharePoint Elevation of Privilege Vulnerability
High 7.5
In plain English
A high-severity server-side request forgery in Microsoft SharePoint Server Subscription Edition from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 50.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft SharePoint Server Subscription Edition | 16.0.0 – before 16.0.20326.20190 |
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Microsoft Office SharePoint Elevation of Privilege Vulnerability vendor-advisory, patch