HIGHCVSS v3.1 8.8Actively exploited · CISA KEV since 2022-09-30Vulnerability
CVE-2022-41040
Microsoft Exchange Server allows for server-side request forgery. Dubbed "ProxyNotShell," this vulnerability is chainable with CVE-2022-41082 which allows for remote code execution.
Properties
- Euvd product
- Microsoft Exchange Server 2019 Cumulative Update 12, Microsoft Exchange Server 2016 Cumulative Update 23, Microsoft Exchange Server 2016 Cumulative Update 22, Microsoft Exchange Server 2019 Cumulative Update 11, Microsoft Exchange Server 2013 Cumulative Update 23
- Vulnerability name
- Microsoft Exchange Server Server-Side Request Forgery Vulnerability
- First seen
- 2025-10-21T23:15:33+00:00
- Cvss score
- 8.8
- Epss score
- 0.99956
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2022-10-21
- Euvd assigner
- microsoft
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Exploited euvd since
- 2022-09-30T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2022-09-30
- Score
- 8.8
- Euvd base score version
- 3.1
- Fetched at
- 2026-10-20T10:36:20+00:00
- Euvd vendor
- Microsoft
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 8.8
Related Entities (11)
AFFECTS_PRODUCT (5)
MENTIONED_IN (3)
DESCRIBES (1)
HAS_WEAKNESS (1)
INVOLVES (1)
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