CVE-2026-45659 Microsoft Microsoft SharePoint Enterprise…
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- CVSS
- 8.8 High
- EPSS
- 80%
- Percentile
- 100
- Published
- 2026-05-22
- Force
- 11 of 12
- Public PoC
- 1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
On CISA’s exploited list
Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability
- Added
- 2026-07-01
- Federal patch deadline
- 2026-07-04
- Ransomware use
- known