// For flags

CVE-2025-21357

Microsoft Outlook Remote Code Execution Vulnerability

Severity Score

6.7
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

Microsoft Outlook Remote Code Execution Vulnerability

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
High
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2024-12-11 CVE Reserved
  • 2025-01-14 CVE Published
  • 2025-01-22 EPSS Updated
  • 2025-02-06 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-908: Use of Uninitialized Resource
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21357 2025-01-14
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
 Microsoft Outlook 2016
Search vendor "Microsoft" for product "Microsoft Outlook 2016"
 >= 16.0.0.0 < 16.0.5483.1000
Search vendor "Microsoft" for product "Microsoft Outlook 2016" and version " >= 16.0.0.0 < 16.0.5483.1000"
en
Affected