CVE-2022-41080

criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.773 · 100 %ileexploit · PoCDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 1 exploit · PoC

Likely / severe?

77.3% (100th) EPSS

CVSS 9.8 · critical

Is it mine?

28 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2023-01-10remediate by 2023-01-31

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-26

Microsoft Exchange Server Privilege Escalation Vulnerability

Microsoft Exchange Server Elevation of Privilege Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedMicrosoft Exchange Server 2013 Cumulative Update 23msrc_csaf
15.00.1497.044:Security Update:https://support.microsoft.com/help/5019758
https://support.microsoft.com/help/5019758
FixedMicrosoft Exchange Server 2016 Cumulative Update 22msrc_csaf
15.01.2375.037:Security Update:https://support.microsoft.com/help/5019758
https://support.microsoft.com/help/5019758
FixedMicrosoft Exchange Server 2016 Cumulative Update 23msrc_csaf
15.01.2507.016:Security Update:https://support.microsoft.com/help/5019758
https://support.microsoft.com/help/5019758
FixedMicrosoft Exchange Server 2019 Cumulative Update 11msrc_csaf
15.02.0986.036:Security Update:https://support.microsoft.com/help/5019758
https://support.microsoft.com/help/5019758
FixedMicrosoft Exchange Server 2019 Cumulative Update 12msrc_csaf
15.02.1118.020:Security Update:https://support.microsoft.com/help/5019758
https://support.microsoft.com/help/5019758

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.8–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.18.8highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-264US

exploits (1)

Public proof-of-concept and weaponised exploit code.

ohnonoyesyes/CVE-2022-41080ohnonoyesyes/CVE-2022-41080PoC · poc_in_github

affected products (28)

Products and version ranges known to be affected.

Microsoft Exchange Server 2013 Cumulative Update 23all versionscert_bundDEcpe:/a:microsoft:exchange_server_2013::cumulative_update_23
Microsoft Exchange Server 2016 Cumulative Update 22all versionscert_bundDEcpe:/a:microsoft:exchange_server_2016:cumulative_update_22
Microsoft Exchange Server 2016 Cumulative Update 23all versionscert_bundDEcpe:/a:microsoft:exchange_server_2016:cumulative_update_23
Microsoft Exchange Server 2019 Cumulative Update 11all versionscert_bundDEcpe:/a:microsoft:exchange_server_2019:cumulative_update_11
Microsoft Exchange Server 2019 Cumulative Update 12all versionscert_bundDEcpe:/a:microsoft:exchange_server_2019:cumulative_update_12
Microsoft Microsoft Exchange Server 2013 Cumulative Update 2315.00.0 → 15.00.1497.044enisa_euvdEU
Microsoft Microsoft Exchange Server 2016 Cumulative Update 2215.0.0 → 15.01.2375.037enisa_euvdEU
Microsoft Microsoft Exchange Server 2016 Cumulative Update 2315.01.0 → 15.01.2507.016enisa_euvdEU
Microsoft Microsoft Exchange Server 2019 Cumulative Update 1115.02.0 → 15.02.0986.036enisa_euvdEU
Microsoft Microsoft Exchange Server 2019 Cumulative Update 1215.02.0 → 15.02.1118.020enisa_euvdEU
Microsoft Corp Microsoft Exchange Server≤ 2016 Cumulative Update 22fstec_bduRU
Microsoft Corp Microsoft Exchange Server≤ 2019 Cumulative Update 12fstec_bduRU
Microsoft Corp Microsoft Exchange Server≤ 2016 Cumulative Update 23fstec_bduRU
Microsoft Corp Microsoft Exchange Server≤ 2019 Cumulative Update 11fstec_bduRU
Microsoft Corp Microsoft Exchange Server≤ 2013 Cumulative Update 23fstec_bduRU
Microsoft Exchange Server 2013 Cumulative Update 23all versionsfixedmsrc_csafUS
Microsoft Exchange Server 2013 Cumulative Update 23< 15.00.1497.044msrc_csafUS
Microsoft Exchange Server 2016 Cumulative Update 22all versionsfixedmsrc_csafUS
Microsoft Exchange Server 2016 Cumulative Update 22< 15.01.2375.037msrc_csafUS
Microsoft Exchange Server 2016 Cumulative Update 23all versionsfixedmsrc_csafUS

showing 20 of 28

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-1980Microsoft Exchange Server: Mehrere SchwachstellenDeutsch2022-11-08csaf · cert_bundDE
Ein entfernter, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen im Microsoft Exchange Server ausnutzen, um seine Privilegien zu erhöhen und Informationen falsch darzustellen.
msrc_CVE-2022-41080Microsoft Exchange Server Elevation of Privilege Vulnerability2022-11-08csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund msrc_csaf NVD CVE.org MITRE

published 2022-11-09modified 2026-08-10

references (7)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

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