CVE-2022-41080 — Microsoft Exchange Server Elevation of Privilege Vulnerability

Executive Summary

None

Overview

8.8

CVSS HIGH

Critical

MS Severity

Not Exploited

MS Exploit Status

More Likely

MS Exploit Likelihood

Category Elevation of Privilege

Released Nov 8 2022

Last Updated Nov 8 2022

Publicly Disclosed No

CISA KEV Listed (added 2023-01-10)

Known Exploits None Known

EPSS Score 0.77326 — 0.99515 percentile

NVD CVSS 8.8 HIGH — matches MSRC

CVSS Vector

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

ATTACK VECTOR

Network

ATTACK COMPLEXITY

Low

PRIVILEGES REQUIRED

Low

USER INTERACTION

None

SCOPE

Unchanged

CONFIDENTIALITY

High

INTEGRITY

High

AVAILABILITY

High

EXPLOIT CODE MATURITY

Unproven

REMEDIATION LEVEL

Official Fix

REPORT CONFIDENCE

Confirmed

Temporal Score: 7.7

EPSS Score

0.77326

probability of exploitation in the next 30 days

0.99515 percentile - updated 2026-08-14

View on FIRST.org

Affected Products

5 affected products

Product	KB Article	Severity	Impact	Restart Required
Microsoft Exchange Server 2013 Cumulative Update 23	`5019758 (Security Update)`	Critical	Elevation of Privilege	Yes
Microsoft Exchange Server 2016 Cumulative Update 22	`5019758 (Security Update)`	Critical	Elevation of Privilege	Yes
Microsoft Exchange Server 2016 Cumulative Update 23	`5019758 (Security Update)`	Critical	Elevation of Privilege	Yes
Microsoft Exchange Server 2019 Cumulative Update 11	`5019758 (Security Update)`	Critical	Elevation of Privilege	Yes
Microsoft Exchange Server 2019 Cumulative Update 12	`5019758 (Security Update)`	Critical	Elevation of Privilege	Yes

Patches

1 patch

Article	Type	Restart
`5019758`	Security Update	Yes

Exploits & PoC

1 public PoC

Unverified third-party code

Public proof-of-concept repositories aggregated from PoC-in-GitHub. They are not reviewed and may be incomplete, non-functional, or malicious — inspect the code before running anything.

Repository	Stars	Published	Description
ohnonoyesyes/CVE-2022-41080	1	2022-12-23

Detection Rules

Detection available

Community detection & vulnerability-scanning rules aggregated from Sigma and Nuclei templates. Validate and tune to your environment before deploying.