CVE-2022-41082

Microsoft Exchange Server Remote Code Execution Vulnerability

8.0 HighIn KEVPublic exploit

Microsoft Exchange Server Remote Code Execution Vulnerability

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

100.0%Up 84.6 points since Oct 3, 2022

What each source reports

CVE List Score used 8.0

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Exchange Server Remote Code Execution Vulnerability

Record: CVE-2022-41082
CVSS 3.1: 8.0 HighCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Weakness: CWE-502
Updated: 2026-11-02

EUVDEUVD-2022-44326 8.0

Microsoft Exchange Server Remote Code Execution Vulnerability

Record: EUVD-2022-44326
CVSS 3.1: 8.0 HighCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Updated: 2026-11-02

GitHub AdvisoriesGHSA-cg2v-9v73-ccwp 8.8

Microsoft Exchange Server Remote Code Execution Vulnerability.

Microsoft Exchange Server Remote Code Execution Vulnerability.

Record: GHSA-cg2v-9v73-ccwp
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

CISA KEV No score

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Exchange Server contains an unspecified vulnerability that allows for authenticated remote code execution. Dubbed "ProxyNotShell," this vulnerability is chainable with CVE-2022-41040 which allows for the remote code execution.

Record: CVE-2022-41082
Weakness: CWE-502
Updated: 2026-11-02

NVD 8.0

Microsoft Exchange Server Remote Code Execution Vulnerability

Record: CVE-2022-41082
CVSS 3.1: 8.0 HighCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Metasploit	Microsoft Exchange ProxyNotShell RCE	2022-09-28
PoC in GitHub	Diverto/nse-exchange	2022-10-01
PoC in GitHub	notareaperbutDR34P3r/http-vuln-CVE-2022-41082	2022-11-14
PoC in GitHub	sikkertech/CVE-2022-41082	2022-12-01
PoC in GitHub	balki97/OWASSRF-CVE-2022-41082-POC	2022-12-22
PoC in GitHub	bigherocenter/CVE-2022-41082-POC	2023-02-21
PoC in GitHub	notareaperbutDR34P3r/vuln-CVE-2022-41082	2023-03-22
PoC in GitHub	SUPRAAA-1337/CVE-2022-41082	2023-09-03
PoC in GitHub	soltanali0/CVE-2022-41082	2024-10-24
PoC in GitHub	CyprianAtsyor/LetsDefend-CVE-2022-41082-Exploitation-Attempt	2025-05-16

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation, exploits
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, CISA KEV, Metasploit, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-41082 is a high vulnerability (CVSS 8.0) in Microsoft Exchange Server, published October 3, 2022. CISA lists it as known to be exploited, since September 30, 2022. EUVD reports exploitation since September 30, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 100.0%, the 99th percentile. No source names a fixed version.

References

Show 4 moreShow less