Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2022-41082

CVE-2022-41082HIGH

Microsoft Exchange Server Remote Code Execution Vulnerability

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS    %ile   KEV
   A   L   L   N  U  H  H  H    8.0   .9997   100.0   YES

AFFECTED
  Product                                              Versions   Fixed
  Microsoft Exchange Server 2013 Cumulative Update 23  15.00.0 –  —
  Microsoft Exchange Server 2016 Cumulative Update 22  15.0.0 –   —
  Microsoft Exchange Server 2019 Cumulative Update 11  15.02.0 –  —
  Microsoft Exchange Server 2019 Cumulative Update 12  15.02.0 –  —
  Microsoft Exchange Server 2016 Cumulative Update 23  15.01.0 –  —

TIMELINE
  Sep 19  Reserved by microsoft
  Sep 30  Added to CISA KEV, remediation due 2022-10-21
  Oct 3   Published (CNA: microsoft)

CWE-502 · CNA: microsoft · CVSS v3.1 · 8 references · KEV due October 21, 2022

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 19, 2022	Reserved	Reserved by microsoft
September 30, 2022	KEV ADDED	Added to CISA KEV, remediation due 2022-10-21
October 3, 2022	Published	Published (CNA: microsoft)

Affected

Affected products and packages — 5 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Microsoft	Microsoft Exchange Server 2013 Cumulative Update 23	—	15.00.0	—
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 22	—	15.0.0	—
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 11	—	15.02.0	—
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 12	—	15.02.0	—
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 23	—	15.01.0	—

Weaknesses

CWE-502

References (8)

http://packetstormsecurity.com/files/170066/Microsoft-Exchange-ProxyNotShell-Remote-Code-Execution.html [x_transferred]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41082 [vendor-advisory]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41082 [x_transferred]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41082 [government-resource]
https://www.kb.cert.org/vuls/id/915563 [third-party-advisory, x_transferred]
https://www.secpod.com/blog/microsoft-november-2022-patch-tuesday-patches-65-vulnerabilities-including-6-zero-days/ [x_transferred]
https://www.vicarius.io/vsociety/posts/cve-2022-41082-microsoft-exchange-server-remote-code-execution-vulnerability-detection-script
https://www.vicarius.io/vsociety/posts/cve-2022-41082-microsoft-exchange-server-remote-code-execution-vulnerability-mitigation-script

Authoritative record: CVE-2022-41082 at cve.org

Vendors: microsoft

Weaknesses: CWE-502

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-41082 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.