CVE-2021-31949
HIGHCVSS 7.3/10EPSS 2.57%
Last modified
CVE-2021-31949 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Microsoft Outlook Remote Code Execution Vulnerability. EPSS estimates a 2.57% chance of exploitation in the next 30 days.
Description
Microsoft Outlook Remote Code Execution Vulnerability
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | 365 Apps | All versions | — |
| Microsoft | Office | 2019 | — |
| Microsoft | Outlook | 2013 | Sp1 |
| Microsoft | Outlook | 2016 | — |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31949Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31949Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-31949?
Microsoft Outlook Remote Code Execution Vulnerability
How severe is CVE-2021-31949?
CVE-2021-31949 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 2.57% probability of exploitation in the next 30 days.
How do I fix CVE-2021-31949?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-319433D Viewer Remote Code Execution Vulnerability7.8
- CVE-2021-319443D Viewer Information Disclosure Vulnerability5
- CVE-2021-31945Paint 3D Remote Code Execution Vulnerability7.8
- CVE-2021-31946Paint 3D Remote Code Execution Vulnerability7.8
- CVE-2021-31947HEVC Video Extensions Remote Code Execution Vulnerability7.8
- CVE-2021-31948Microsoft SharePoint Server Spoofing Vulnerability7.6
- CVE-2021-3195bitcoind in Bitcoin Core through 0.21.0 can create a new fil…7.5
- CVE-2021-31950Microsoft SharePoint Server Spoofing Vulnerability7.6
- CVE-2021-31951Windows Kernel Elevation of Privilege Vulnerability7.8
- CVE-2021-31952Windows Kernel-Mode Driver Elevation of Privilege Vulnerabil…7.8
- CVE-2021-31953Windows Filter Manager Elevation of Privilege Vulnerability7.8
- CVE-2021-31954Windows Common Log File System Driver Elevation of Privilege…7.8
Are you affected by CVE-2021-31949?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST