This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft SharePoint. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.1. The following CVEs are assigned: CVE-2026-50522.
ZDI-26-413: (Pwn2Own) Microsoft SharePoint Improper Verification of Cryptographic Signature Remote Code Execution Vulnerability
Kurzinfo
Metadaten
- Original (extern): Link oeffnen
- Veroeffentlicht: 2026-07-15 05:00 UTC
- Importiert: 2026-08-31 17:23 UTC
- CVSS: 9.8
- Quelle-ID:
zdi_pub - uid_hash:
525d362feabc1614fc2c1b600afd7417ac78c9d299609462e7f0e1a58b232964
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 |
2026-07-14 |
Quellen-Details
| Bezeichnung | Name | Kategorie | Tags | Zielgruppe | Sprache | Feed-URL |
|---|---|---|---|---|---|---|
| Zero Day Initiative (Published) | threat_intel | - | de | https://www.zerodayinitiative.com/rss/published/ |