Summary
generated automatically from NVD dataCVE-2022-41040 is an elevation of privilege vulnerability in Microsoft Exchange Server, with NVD listing versions 2013, 2016 and 2019 as affected. It is classified as CWE-918 (server-side request forgery) and can be exploited over the network by an attacker with low privileges and no user interaction, potentially compromising confidentiality, integrity and availability. It carries a CVSS v3.1 score of 8.8 (HIGH), and CISA's KEV catalog lists it as exploited, including in ransomware campaigns.
NVD description
Microsoft Exchange Server Elevation of Privilege Vulnerability
⚠️ Actively exploited — CISA KEV
This CVE was added to CISA's Known Exploited Vulnerabilities catalog on 2022-09-30. It is confirmed exploited in the wild and must be patched as a priority.
Remediation deadline (US federal agencies): 2022-10-21
Used in known ransomware campaigns.
EPSS · FIRST.org
100.0%probability of exploitation in the next 30 days
Higher than 99% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-19, recomputed daily by FIRST.org.
CVSS v3.1 Score
Information
- Published
- 3 oct. 2022
- Updated
- 17 juin 2026
- Status
- Analyzed
- Source
- secure@microsoft.com
Affected products
Weaknesses (CWE)
References (6)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41040PatchVendor Advisory
- http://packetstormsecurity.com/files/170066/Microsoft-Exchange-ProxyNotShell-Remote-Code-Execution.htmlExploitThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41040MitigationPatchVendor Advisory
- https://www.kb.cert.org/vuls/id/915563Third Party AdvisoryUS Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41040US Government Resource
Similar CVEs
Other vulnerabilities of type CWE-918
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