What is CVE-2026-58644?
A deserialization of untrusted data vulnerability in Microsoft SharePoint (CVE-2026-58644) allows an unauthorized attacker to execute code over a network. The April 2026 security updates address this actively exploited issue and should be applied immediately.
Azərbaycanca: Microsoft SharePoint-də etibarsız məlumatların deserializasiyası zəifliyi (CVE-2026-58644) aşkarlanıb. Bu boşluq şəbəkə üzərindən icazəsiz hücumçuya kod icra etməyə imkan verir. Aprel 2026 təhlükəsizlik yeniləmələri dərhal tətbiq olunmalıdır.
Related CVEs
link basis: same weakness class CWE-502; shared vendors: Adobe, Microsoft
FAQ2
What action can an attacker exploiting CVE-2026-58644 perform?
Execute code over a network without authorization.
When were the updates released to fix the CVE-2026-58644 vulnerability in Microsoft SharePoint?
In April 2026.
See also6
This explainer is AI-written from source data — skopnix's own reporting on this CVE; CVSS scores, vendors and versions are never invented. See NVD for the official record.