Vendor / Project: Microsoft Product: SharePoint Description: Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker to execute code over a network. Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Due Date: 2026-03-21 Ransomware Campaign Use: Unknown CWEs: CWE-502 Notes: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20963 ; https://nvd.nist.gov/vuln/detail/CVE-2026-20963
CVE-2026-20963 — Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
Kurzinfo
Metadaten
- Original (extern): Link oeffnen
- Veroeffentlicht: 2026-03-18 00:00 UTC
- Importiert: 2026-10-20 22:46 UTC
- CVSS: 9.8
- Quelle-ID:
cisa_kev - uid_hash:
4a1c689fe192542cb685ddd7618a7ede020ee0edee94c2c9b40c504a5c8b92d8
Inhalt
Verknuepfte CVEs
| CVE-ID | Severity (Quelle) | CVSS (Quelle) | Severity (CVE.org) | CVSS (CVE.org) | EPSS | EPSS-Pctl | Veroeffentlicht (CVE.org) |
|---|---|---|---|---|---|---|---|
CRITICAL |
9.8 |
CRITICAL |
9.8 |
0.29201 |
0.98162 |
2026-01-13 |
Quellen-Details
| Bezeichnung | Name | Kategorie | Tags | Zielgruppe | Sprache | Feed-URL |
|---|---|---|---|---|---|---|
| CISA – Known Exploited Vulnerabilities (KEV) | threat_intel | cisa, kev | - | de | https://raw.githubusercontent.com/cisagov/kev-data/develop/known_exploited_vulnerabilities.json |