CVE-2026-20951
HIGH WAF: Medium
CVSS 7.8
Published: 2026-01-13
CWE-20
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.
WAF Coverage Analysis
Improper Input Validation
Medium WAF Coverage
OWASP: A03:2021 Injection
920xxx - Protocol Enforcement 941xxx - XSS / XXE 942xxx - SQL Injection
Affected Software
| Vendor | Product | Version |
|---|---|---|
| microsoft | sharepoint_server | up to 16.0.19127.20442 |
| microsoft | sharepoint_server | 2016 |
| microsoft | sharepoint_server | 2019 |
References
- msrc.microsoft.com (Vendor Advisory)