CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- Microsoft Exchange Server Server-Side Request Forgery Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
Microsoft Exchange Server Elevation of Privilege Vulnerability
Affected products
microsoft: exchange server
References6
- msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41040 PatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-… MitigationPatchVendor Advisory
- packetstormsecurity.com/files/170066/Microsoft-Exchange-ProxyNo… ExploitThird Party AdvisoryVDB Entry
- www.kb.cert.org/vuls/id/915563 Third Party AdvisoryUS Government Resource
- www.secpod.com/blog/microsoft-november-2022-patch-tuesday-patch… Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=… US Government Resource
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 100% percentile: 100 · as of 2 November 2026
- CWE
- CWE-918