CVE-2026-62911

HIGH 8.0CVE-2026-62911 · Published 11/08/2026 · updated 14/10/2026

In short

CVE-2026-62911 is a HIGH (CVSS 8.0) vulnerability affecting exchange server (microsoft), exchange server subscription edition (microsoft).
Chance of exploitation in the next 30 days (EPSS): 0.69%, higher than 53.0% of all vulnerabilities.
Fix: update to 15.02.2562.046 or later.

Package	Affected versions	Patched versions
exchange server microsoft	`= 2016= 2019`	No fix yet
exchange server subscription edition microsoft	`< 15.02.2562.046`	`15.02.2562.046`

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

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Package

Affected versions

Patched versions

= 2016= 2019

No fix yet

< 15.02.2562.046

15.02.2562.046

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