CVE-2026-58644
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
- Affected products
- Sharepoint Server
- Microsoft Sharepoint Server
- < 16.0.19725.20434, 2016, 2019
- CVSS 3.1
- 9.8 CRITICAL
- EPSS
- 45.5% (99th percentile)
- Weakness
- CWE-502
- NVD status
- Analyzed
- Published
- 2026-07-14
CVE-2026-58644 at NVD
2 known exploits for CVE-2026-58644
Proof-of-concept code and exploit modules indexed by Sploitus