CVE-2021-41348 json
Microsoft Exchange Server Elevation of Privilege Vulnerability
published 2021-10-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-28377
- cvss
- 8.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
Microsoft Exchange Server Elevation of Privilege Vulnerability
Patch / fix
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 21 15.01.2308.015
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 10 15.02.0922.014
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 11 15.02.0986.009
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 22 15.01.2375.012
Exploit prediction
0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 8.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 5.2 | AV:A/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 21
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 10
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 11
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 22
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
- Technology feeds
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2021-41348
patch, vendor-advisory
Sources
- CVE List CVE-2021-41348
- NVD CVE-2021-41348
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