CVE-2025-25005 json
Microsoft Exchange Server Tampering Vulnerability
published 2025-08-12 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-24364
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.
Patch / fix
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 23 15.01.2507.058
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 14 15.02.1544.033
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 15 15.02.1748.036
- Microsoft Microsoft Exchange Server Subscription Edition RTM 15.02.2562.020
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 14 mo ago
Exploit prediction
1.45% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
Affected products
- Microsoft Microsoft Exchange Server 2016 Cumulative Update 23
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 14
- Microsoft Microsoft Exchange Server 2019 Cumulative Update 15
- Microsoft Microsoft Exchange Server Subscription Edition RTM
Classification
- Weakness
-
- CWE-20 Improper Input Validation
- Technology feeds
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2025-25005
vendor-advisory, patch
Sources
- CVE List CVE-2025-25005
- NVD CVE-2025-25005
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