CVE-2025-21357
Microsoft Outlook Remote Code Execution Vulnerability
Microsoft Outlook Remote Code Execution Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Outlook Remote Code Execution Vulnerability
Microsoft Outlook Remote Code Execution Vulnerability
- Record
CVE-2025-21357- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-908
- Updated
- 2026-11-02
EUVDEUVD-2025-2420
Microsoft Outlook Remote Code Execution Vulnerability
- Record
EUVD-2025-2420- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-99rf-j72j-fqv4
Microsoft Outlook Remote Code Execution Vulnerability
Microsoft Outlook Remote Code Execution Vulnerability
- Record
GHSA-99rf-j72j-fqv4- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-908
- Updated
- 2026-11-02
NVD
Microsoft Outlook Remote Code Execution Vulnerability
- Record
CVE-2025-21357- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-908
- 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-2025-21357 is a medium vulnerability (CVSS 6.7) in Microsoft Outlook, published January 14, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. No source names a fixed version.