CVE Tools
Sign in

CVE-2022-41040

Published: Oct 3, 2022Updated: Oct 30, 2025 Sources: CVE List NVD BDUCWE-918
8.8HIGH
NVD MITRE
EPSS Score
99.9%
Top 0.0%
CISA KEV
Active Exploitation
Since Sep 30, 2022
Exploits
1 Known
Remediation
Patch Available

Description

Microsoft Exchange Server Elevation of Privilege Vulnerability

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-918

Affected Products

Microsoft Exchange Server 2013 Cumulative Update 23Microsoft
On-prem
Enterprise Software / itsm-monitoring
Microsoft Exchange Server 2016 Cumulative Update 22Microsoft
On-premWeb App
Enterprise Software / itsm-monitoring
Microsoft Exchange Server 2019 Cumulative Update 11Microsoft
On-premWeb App
Enterprise Software / itsm-monitoring
Microsoft Exchange Server 2019 Cumulative Update 12Microsoft
On-premWeb App
Enterprise Software / itsm-monitoring
Microsoft Exchange Server 2016 Cumulative Update 23Microsoft
On-prem
Operating Systems
microsoftcommercialUSOperating Systems
and 2 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Sep 30, 2022
Remediation due:Oct 21, 2022
Ransomware:Known ransomware use

Required action: Apply updates per vendor instructions.

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify Rather we check it for you?We'll check your whole external perimeter for exposure — free. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

2 techniques
Command and Control
Initial Access
View detailed technique mapping

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41040
msrc.microsoft.com
https://msrc-blog.microsoft.com/2022/09/29/customer-guidance-for-reported-zero-day-vulnerabilities-in-microsoft-exchange-server/
msrc-blog.microsoft.com
http://packetstormsecurity.com/files/170066/Microsoft-Exchange-ProxyNotShell-Remote-Code-Execution.html
packetstormsecurity.com
and 4 more references View all →

Timeline

Added to CISA KEV
Sep 30, 2022
Published
Oct 3, 2022
Last Updated
Oct 30, 2025
News mentions
1

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2022-41040 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows