CVE-2022-41040
HIGHCVSS 8.8/10Actively ExploitedEPSS 99.94%
Last modified
CVE-2022-41040 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Microsoft Exchange Server Elevation of Privilege Vulnerability. CISA has confirmed active exploitation in the wild. EPSS estimates a 99.94% chance of exploitation in the next 30 days.
Description
Microsoft Exchange Server Elevation of Privilege Vulnerability
Metrics
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Exchange Server | 2013 | Cumulative Update 23 |
| Microsoft | Exchange Server | 2016 | Cumulative Update 22 |
| Microsoft | Exchange Server | 2019 | Cumulative Update 11 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41040Patch, Vendor Advisory
- https://packetstormsecurity.com/files/170066/Microsoft-Exchange-ProxyNotShell-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41040Mitigation, Patch, Vendor Advisory
- https://www.kb.cert.org/vuls/id/915563Third Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41040US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2022-41040?
Microsoft Exchange Server Elevation of Privilege Vulnerability
How severe is CVE-2022-41040?
CVE-2022-41040 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 99.94% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2022-41040?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
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Are you affected by CVE-2022-41040?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST