CVE-2025-25006
Microsoft Exchange Server Spoofing Vulnerability
Improper handling of additional special element in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Exchange Server Spoofing Vulnerability
Improper handling of additional special element in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
- Record
CVE-2025-25006- CVSS 3.1
- 5.3 Medium
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 - Weakness
- CWE-167
- Updated
- 2026-11-02
EUVDEUVD-2025-24363
Improper handling of additional special element in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
- Record
EUVD-2025-24363- CVSS 3.1
- 5.3 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xx53-48rw-mq6c
Improper handling of additional special element in Microsoft Exchange Server allows an...
Improper handling of additional special element in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
- Record
GHSA-xx53-48rw-mq6c- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-167
- Updated
- 2026-11-02
NVD
Improper handling of additional special element in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
- Record
CVE-2025-25006- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-167
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-25006 is a medium vulnerability (CVSS 5.3) in Microsoft Exchange Server, published August 12, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. No source names a fixed version.