CVE-2026-65801CWE-918ssrf
CVE-2026-65801
Critical · published August 21, 2026
What it is
Server-side request forgery (ssrf) in Microsoft Exchange Online allows an unauthorized attacker to elevate privileges over a network.
The record
Technical detail
- CVSS v3.1
- 10.0 · CRITICAL
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CVSS v4.0
- Not supplied
- EPSS
- 0.00901 · 59.3th percentile
- Weakness
- CWE-918 · Server-Side Request Forgery (SSRF)
- Published
- 2026-08-21T02:17Z
Affected products (1)
| Product | Versions | Fixed in |
|---|
| microsoft/exchange_online | all versions | — |
References (1)
EPSS history
Timeline