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CVE-2022-41080

CriticalPublished

Microsoft Exchange Server Elevation of Privilege Vulnerability

Published: Nov 9, 2022
Updated: Aug 10, 2026
Assigning CNA: microsoft
Evidence observed: Jan 10, 2023

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

77.3%

High · next 30 days

Percentile: 99.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

Microsoft Exchange Server Elevation of Privilege Vulnerability

Sources

OWASSRF-CVE-2022-41082-POCPoC
PoC for the CVE-2022-41080 , CVE-2022-41082 and CVE-2022-41076 Vulnerabilities Affecting Microsoft Exchange Servers
CVE-2022-41080PoC
Proof-of-concept exploit for CVE-2022-41080 (OWASSRF) enabling remote code execution through Microsoft Exchange Outlook Web Access, bypassing ProxyNotShell mitigations.

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