CVE-2026-69641
Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Scoring
- Severity
- CRITICAL
- CVSS base score
- 9.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
- EPSS probability
- 0.85%
- CWE
- CWE-862
- Published
- 2026-09-08
- Last modified
- 2026-09-10
Affected products
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 23
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 14
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 15
- Microsoft Microsoft Exchange Server Subscription Edition RTM
Weakness type
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