CVE-2026-20542
MEDIUMCVSS 6.7/10EPSS 0.11%
Last modified
CVE-2026-20542 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. In apusys, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. EPSS estimates a 0.11% chance of exploitation in the next 30 days.
Description
In apusys, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11076799; Issue ID: MSV-8143.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mediatek | Mt2718 Firmware | All versions |
| Mediatek | Mt6878 Firmware | All versions |
| Mediatek | Mt6897 Firmware | All versions |
| Mediatek | Mt6899 Firmware | All versions |
| Mediatek | Mt6989 Firmware | All versions |
| Mediatek | Mt6991 Firmware | All versions |
| Mediatek | Mt8171 Firmware | All versions |
| Mediatek | Mt8188 Firmware | All versions |
| Mediatek | Mt8189 Firmware | All versions |
| Mediatek | Mt8196 Firmware | All versions |
| Mediatek | Mt8370 Firmware | All versions |
| Mediatek | Mt8371 Firmware | All versions |
| Mediatek | Mt8390 Firmware | All versions |
| Mediatek | Mt8391 Firmware | All versions |
| Mediatek | Mt8395 Firmware | All versions |
| Mediatek | Mt8678 Firmware | All versions |
| Mediatek | Mt8792 Firmware | All versions |
| Mediatek | Mt8793 Firmware | All versions |
| Mediatek | Mt8796 Firmware | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-20542?
In apusys, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11076799; Issue ID: MSV-8143.
How severe is CVE-2026-20542?
CVE-2026-20542 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20542?
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-2026-20542?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST