CVE-2022-41040

criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 1.000 · 100 %ileexploit · weaponizedEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 10 exploits · weaponized

Likely / severe?

100.0% (100th) EPSS

CVSS 9.8 · critical

Is it mine?

21 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · msrc_csaf

added 2022-09-30remediate by 2022-10-21

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Microsoft Exchange Server Server-Side Request Forgery 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

v3.19.8criticalAV:N/AC:L/PR:N/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:P/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:Hsecondary · CVSS-BT (t0sche)

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/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-918USprimaryCWE-918US

exploits (10)

Public proof-of-concept and weaponised exploit code.

exploit/windows/http/exchange_proxynotshell_rceMicrosoft Exchange ProxyNotShell RCEweaponized · metasploit
0-Gram/CVE-2022-410400-Gram/CVE-2022-41040PoC · poc_in_github
CentarisCyber/CVE-2022-41040_MitigationCentarisCyber/CVE-2022-41040_MitigationPoC · poc_in_github
ITPATJIDR/CVE-2022-41040ITPATJIDR/CVE-2022-41040PoC · poc_in_github
TaroballzChen/CVE-2022-41040-metasploit-ProxyNotShellthe metasploit script(POC) about CVE-2022-41040. Microsoft Exchange are vulnerable to a server-side request forgery (SSRF) attack. An authenticated attacker can use the vulnerability to elevate privileges.PoC · poc_in_github
d3duct1v/CVE-2022-41040Code set relating to CVE-2022-41040PoC · poc_in_github

affected products (21)

Products and version ranges known to be affected.

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≤ 2019fstec_bduRU
Microsoft Corp Microsoft Exchange Server≤ 2013fstec_bduRU
Microsoft Corp Microsoft Exchange Server≤ 2016fstec_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
Microsoft Exchange Server 2016 Cumulative Update 23< 15.01.2507.016msrc_csafUS
Microsoft Exchange Server 2019 Cumulative Update 11all versionsfixedmsrc_csafUS
Microsoft Exchange Server 2019 Cumulative Update 11< 15.02.0986.036msrc_csafUS
Microsoft Exchange Server 2019 Cumulative Update 12all versionsfixedmsrc_csafUS
Microsoft Exchange Server 2019 Cumulative Update 12< 15.02.1118.020msrc_csafUS
microsoft exchange server= 2013nvdUScpe:2.3:a:microsoft:exchange_server:*:*:*:*:*:*:*:*
microsoft exchange server= 2016nvdUScpe:2.3:a:microsoft:exchange_server:*:*:*:*:*:*:*:*

showing 20 of 21

advisories (1)

Vendor and ecosystem advisories describing this.

msrc_CVE-2022-41040Microsoft Exchange Server Elevation of Privilege Vulnerability2022-09-13csaf · 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 msrc_csaf nvd NVD CVE.org MITRE

published 2022-10-03modified 2026-06-17

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+4177 more

references (15)

External citations — patches, advisories, analysis.

scry

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