CVE-2023-33151
Microsoft Outlook Spoofing Vulnerability
6.5 Medium
Microsoft Outlook Spoofing Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
3.40%Up 3.3 points since Jul 12, 2023
What each source reports
CVE List Score used
6.5
Microsoft Outlook Spoofing Vulnerability
Microsoft Outlook Spoofing Vulnerability
- Record
CVE-2023-33151- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2023-37336
6.5
Microsoft Outlook Spoofing Vulnerability
- Record
EUVD-2023-37336- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-vx4h-mrg5-fgqc
6.5
Microsoft Outlook Spoofing Vulnerability
Microsoft Outlook Spoofing Vulnerability
- Record
GHSA-vx4h-mrg5-fgqc- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
NVD
6.5
Microsoft Outlook Spoofing Vulnerability
- Record
CVE-2023-33151- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - 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-2023-33151 is a medium vulnerability (CVSS 6.5) in Microsoft 365 Apps, published July 11, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.40%, the 88th percentile. No source names a fixed version.