CVE-2023-36039
Microsoft Exchange Server Spoofing Vulnerability
8.0 High
Microsoft Exchange Server Spoofing Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
73.0%Up 72.9 points since Nov 15, 2023
What each source reports
CVE List Score used
Microsoft Exchange Server Spoofing Vulnerability
Microsoft Exchange Server Spoofing Vulnerability
- Record
CVE-2023-36039- CVSS 3.1
- 8.0 High
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 - Weakness
- CWE-502
- Updated
- 2026-11-02
EUVDEUVD-2023-40023
Microsoft Exchange Server Spoofing Vulnerability
- Record
EUVD-2023-40023- CVSS 3.1
- 8.0 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4h8h-f935-r975
Microsoft Exchange Server Spoofing Vulnerability
Microsoft Exchange Server Spoofing Vulnerability
- Record
GHSA-4h8h-f935-r975- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
Microsoft Exchange Server Spoofing Vulnerability
- Record
CVE-2023-36039- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- 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-2023-36039 is a high vulnerability (CVSS 8.0) in Microsoft Exchange Server, published November 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 73.0%, the 99th percentile. No source names a fixed version.