High severity8.0NVD Advisory· Published Aug 11, 2026· Updated Aug 11, 2026
CVE-2026-62911
CVE-2026-62911
Description
Authentication bypass by capture-replay in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
2- August 2026 Patch Tuesday: Microsoft Fixes 421 CVEs, One Exploited Zero-DaySecurityWeek · Aug 11, 2026
- Microsoft Patch Tuesday Update August 2026 – 394 Vulnerabilities Fixed, Including 3 Zero-DaysCyber Security News · Aug 11, 2026