Aug 2025: Microsoft Exchange Server Spoofing Vulnerability
CVE-2025-25007 Published on August 12, 2025
Improper validation of syntactic correctness of input in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Weakness Type
Improper Validation of Syntactic Correctness of Input
The product receives input that is expected to be well-formed - i.e., to comply with a certain syntax - but it does not validate or incorrectly validates that the input complies with the syntax.
Products Associated with CVE-2025-25007
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Affected Versions
Microsoft Exchange Server Subscription Edition RTM:- Version 15.02.0.0 and below 15.02.2562.020 is affected.
- Version 15.01.0.0 and below 15.01.2507.058 is affected.
- Version 15.02.0.0 and below 15.02.1544.033 is affected.
- Version 15.02.0.0 and below 15.02.1748.036 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.