CVE-2022-41080: Microsoft Exchange Server Privilege Escalation Vulnerability

CVE-2022-41080 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2023-01-10

Microsoft Exchange Server contains an elevation of privilege vulnerability that allows an attacker to escalate permissions. This flaw is known to be chainable with CVE-2022-41082 to achieve remote code execution and has been observed being exploited in the wild.

Technologies: Microsoft Exchange Server. Vendors: Microsoft.

Quick answers

Is CVE-2022-41080 exploited in the wild?
Yes. CVE-2022-41080 is known to be exploited in the wild, first recorded on 10 January 2023. Treat it as urgent.
How severe is CVE-2022-41080?
Critical severity, with a CVSS score of 9.8, published 10 January 2023.
Which products and versions are affected?
Microsoft Exchange Server 2013 Cumulative Update 23, 2016 Cumulative Update 22, 2016 Cumulative Update 23, 2019 Cumulative Update 11, 2019 Cumulative Update 12.
Is there a fix for CVE-2022-41080?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2022-41080 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2022-41080?
Check whether you run Microsoft Exchange Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Exchange Server 2013 Cumulative Update 23, 2016 Cumulative Update 22, 2016 Cumulative Update 23, 2019 Cumulative Update 11, 2019 Cumulative Update 12

Timeline

  • 2022-11-09: disclosed: NVD Published Date
  • 2023-01-10: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2023-01-10: advisory: Published date listed in advisory summary

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