CVE-2026-62911
high
Microsoft CVSS v3 Base Score
8.0
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS Score
1.2%
Exploitation probability in 30 days
Top 33% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Published: August 11, 2026 (26 days ago)
Last Modified: September 2, 2026
Vendor: Microsoft
Source: NVD
Vulnerability Report
Generated by CyberWatcher
Description
Authentication bypass by capture-replay in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CWE
CWE-294Affected Products
microsoft exchange servermicrosoft exchange server subscription edition