CVE-2020-1238
HIGHCVSS 8.8/10EPSS 6.99%
Last modified
CVE-2020-1238 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory, aka 'Media Foundation Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-1239.. EPSS estimates a 6.99% chance of exploitation in the next 30 days.
Description
A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory, aka 'Media Foundation Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-1239.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 | 1709 |
| Microsoft | Windows 10 | 1803 |
| Microsoft | Windows 10 | 1809 |
| Microsoft | Windows 10 | 1903 |
| Microsoft | Windows 10 | 1909 |
| Microsoft | Windows 10 | 2004 |
| Microsoft | Windows Server 2016 | 1803 |
| Microsoft | Windows Server 2016 | 1903 |
| Microsoft | Windows Server 2016 | 1909 |
| Microsoft | Windows Server 2016 | 2004 |
| Microsoft | Windows Server 2019 | All versions |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1238Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-695/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-696/Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1238Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-695/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-696/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-1238?
A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory, aka 'Media Foundation Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-1239.
How severe is CVE-2020-1238?
CVE-2020-1238 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 6.99% probability of exploitation in the next 30 days.
How do I fix CVE-2020-1238?
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.
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Are you affected by CVE-2020-1238?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST