How severe is CVE-2022-41082?

High severity. CVSS v3 base score is 8.0 out of 10.

Is CVE-2022-41082 known to be exploited?

Yes. CVE-2022-41082 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-30), indicating it is being actively exploited. 63 public proof-of-concept repositories are indexed.

Vulnerability in Microsoft Exchange Server 2013 Cumulative Update 23

CVE-2022-41082

Microsoft Exchange Server Remote Code Execution Vulnerability

EPSS: 0.910 (99.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C.

Affected products

Microsoft Exchange Server 2013 Cumulative Update 23 — versions 15.00.0
Microsoft Exchange Server 2016 Cumulative Update 22 — versions 15.0.0
Microsoft Exchange Server 2016 Cumulative Update 23 — versions 15.01.0
Microsoft Exchange Server 2019 Cumulative Update 11 — versions 15.02.0
Microsoft Exchange Server 2019 Cumulative Update 12 — versions 15.02.0

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-09-30. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-10-21.

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

Microsoft Exchange Server Remote Code Execution Vulnerability (vendor-advisory)

Frequently asked questions

What is CVE-2022-41082?: CVE-2022-41082 is a high-severity vulnerability in Microsoft Exchange Server 2013 Cumulative Update 23. CVSS score: 8.0/10. Published 2022-10-03.
How severe is CVE-2022-41082?: High severity. CVSS v3 base score is 8.0 out of 10.
Is CVE-2022-41082 known to be exploited?: Yes. CVE-2022-41082 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-30), indicating it is being actively exploited. 63 public proof-of-concept repositories are indexed.