SEPTEMBER 19, 2026
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Case File

CVE-2026-62911

HIGH · CVSS 8 EPSS 1.32% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-11 · Last synced 2026-09-10

CyberRota Analysis

AI-Generated

Microsoft Exchange Server is vulnerable to an authentication bypass due to a capture-replay attack, enabling authorized attackers to elevate their privileges within the network. This high-severity flaw poses a significant risk to organizations using Exchange, as it could lead to unauthorized access and potential data breaches. IT security teams managing Exchange deployments should prioritize patching this vulnerability to mitigate risks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-62911
Severity
HIGH
CVSS
8
EPSS
1.32%
Microsoft Exchange

Original NVD Description

Authentication bypass by capture-replay in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

Related CVEs

Other vulnerabilities affecting the same vendor(s)