CVE-2025-25007 json
Microsoft Exchange Server Spoofing Vulnerability
published 2025-08-12 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-24362
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
Improper validation of syntactic correctness of input in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing 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
- yes
- Technical impact
- partial
- Assessed
- 14 mo ago
Exploit prediction
0.90% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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-1286 Improper Validation of Syntactic Correctness of Input
- Technology feeds
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2025-25007
vendor-advisory, patch
Sources
- CVE List CVE-2025-25007
- NVD CVE-2025-25007
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