CVE Catalog

CVE-2026-62911

HighCVSS 8.0
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Elevated risk
0.72%

51th percentile - higher than 51% of all known CVEs

Summary

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

Risk Assessment

An attacker could use captured sessions to gain higher privileges, potentially leading to unauthorized access to sensitive data.

Recommendation

Update Microsoft Exchange Server and consider implementing mechanisms to prevent replay attacks.

Original NVD description (English source)

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

Vulnerability data from NVD (NIST) · CISA KEV · EPSS