Security & Threat Intelligence · 12.08.2026, 02:25 UTC
ZDI-26-534: (Pwn2Own) Microsoft Exchange Capture-Replay Authentication Bypass Vulnerability
| Schweregrad | high |
|---|---|
| CVSS | 8.1 |
| CVE | ↗ |
| Kategorie | Security & Threat Intelligence |
| Quelle | Zero Day Initiative ↗ |
| Veröffentlicht | 12.08.2026 UTC |
Sicherheitsmeldung mit Schweregrad hoch (CVSS 8.1). Betroffene Kennungen: CVE-2026-62911. Technische Details im Tab „Originaltext“; empfohlene Schritte in der Checkliste.
This vulnerability allows remote attackers to bypass authentication on affected installations of Microsoft Exchange. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.1. The following CVEs are assigned: CVE-2026-62911.
Maßnahmen
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