CVE-2026-20462

MEDIUMCVSS 6.7/10EPSS 0.14%

Last modified

CVE-2026-20462 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. In Telephony, there is a possible memory corruption due to a heap buffer overflow. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. EPSS estimates a 0.14% chance of exploitation in the next 30 days.

Description

In Telephony, there is a possible memory corruption due to a heap buffer overflow. 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: ALPS11006447; Issue ID: MSV-7871.

Metrics

CVSS 3.1
6.7/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.14%

3.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
MediaTek, Inc.MediaTek chipsetMT6739; MT6761; MT6765; MT6768; MT6781; MT6789; MT6833; MT6853; MT6855; MT6877; MT6883; MT6885; MT6889; MT6893; MT8695; MT8696; MT8765; MT8766; MT8766R; MT8768; MT8781; MT8791

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-20462?
In Telephony, there is a possible memory corruption due to a heap buffer overflow. 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: ALPS11006447; Issue ID: MSV-7871.
How severe is CVE-2026-20462?
CVE-2026-20462 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20462?
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

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Source: NVD / NIST