CVE-2026-26114
Microsoft SharePoint Server Remote Code Execution Vulnerability
- Published
- Mar 10, 2026
- Updated
- Jun 19, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 86.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Sources
2- cve-2026-26114-pocExploit
Proof-of-concept exploit for CVE-2026-26114, a remote code execution vulnerability in Microsoft SharePoint, with a Python PoC and Metasploit module for automated exploitation and reverse shell delivery.
- CVE-2026-26114-PatchPatch
patching N-day of CVE-2026-26114 before microsoft. where microsoft could not patch 100% in many months. but FAC security did it
Responsible use
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