CVE-2026-96940
Microsoft Exchange Server Elevation of Privilege vulnerability
MSRC advisory October 2, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-96940
- CWE
- CWE-1390
- Affected products
- Microsoft Exchange Server Elevation of Privilege · Microsoft Microsoft Exchange Server Elevation of Privilege · Microsoft
What happened
Weak authorization in Microsoft Exchange Server allows an authenticated attacker to elevate privileges over a network.
What it means for your business
Microsoft Exchange Server Elevation of Privilege vulnerability (CVE-2026-96940) was added to Microsoft’s security update guidance. Weak authorization in Microsoft Exchange Server allows an authenticated attacker to elevate privileges over a network. If you need help checking exposure, call (864) 335-9223.
CVSS score
8.8 (High)
Sources
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