CVE-2026-69382 MEDIUM

CVE-2026-69382: Microsoft Exchange Server Information Disclosure Vulnerability

Vendor Microsoft
Product Microsoft Exchange Server 2016 Cumulative Update 23
Weakness CWE-327 · Broken crypto
Published September 8, 2026
Last update September 18, 2026
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

What the vulnerability does

01Description

Use of a broken or risky cryptographic algorithm in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network.

Key dates

02Disclosure timeline

September 8, 2026 CVE published
September 18, 2026 Record updated