CVE-2026-20963 Microsoft Microsoft SharePoint Enterprise…
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
- CVSS
- 9.8 Critical
- EPSS
- 29%
- Percentile
- 98
- Published
- 2026-01-13
- Force
- 10 of 12
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
On CISA’s exploited list
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
- Added
- 2026-03-18
- Federal patch deadline
- 2026-03-21
- Ransomware use
- not known