CVE-2022-41080

CVE Enrichment

CVSS: 8.8 HIGH
EPSS: 77.33%
EPSS Percentile: 99.55%
CISA KEV: YES — Known Exploited Vulnerability

Description

Microsoft Exchange Server Elevation of Privilege Vulnerability

Technical Details

CVSS Version: 3.1
CNA / NVD Source: secure@microsoft.com
Published: 10-Nov-2022 05:15
Last Modified: 10-Aug-2026 23:18
EPSS Date: 2026-10-18

CVSS Vector


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

CISA KEV Details

Date Added: 2023-01-10
Remediation Due: 2023-01-31
Known Ransomware Campaign Use: Known
Required Action: Apply updates per vendor instructions.
Notes: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-41080; https://nvd.nist.gov/vuln/detail/CVE-2022-41080

Affected Products / Versions

microsoft / exchange_server
Version / affected range: 2013
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
microsoft / exchange_server
Version / affected range: 2016
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:*
microsoft / exchange_server
Version / affected range: 2016
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_23:*:*:*:*:*:*
microsoft / exchange_server
Version / affected range: 2019
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:*
microsoft / exchange_server
Version / affected range: 2019
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_12:*:*:*:*:*:*

References

Last enrichment sync: 19-Oct-2026 18:58
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (2)

Control (ScreenConnect) payload on unpatched Exchange hosts using the exploit chain consisting of CVE-2022-41080 and CVE-2022-41082. This exploit chain was coined “OWASSRF” by Crowdstrike, as it involves an Outlook Huntress Analyzes OWASSRF Microsoft Exchange Exploit Chain and Its Post-Exploitation Activity
This exploit combines CVE-2022-41080 and CVE-2022-41082 to enable remote code execution (RCE) through Outlook Web Access (OWA). OWASSRF Exploit Bypasses Exchange Mitigations to Enable Remote Code Execution

CVE (2)

Malware (5)

People (1)

Threat Actors (1)

MITRE ATT&CK (6)

Vendors (2)

Products (7)

Tools (8)

Countries (1)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.