CVE-2026-20458

HIGHCVSS 7.5/10EPSS 0.19%

Last modified

CVE-2026-20458 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In Modem, there is a possible memory corruption due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

In Modem, there is a possible memory corruption due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01402160; Issue ID: MSV-7298.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.19%

9.1th 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 chipsetMT2716; MT2737; MT6739; MT6761; MT6762; MT6763; MT6765; MT6767; MT6768; MT6769; MT6771; MT6779; MT6781; MT6783; MT6785; MT6789; MT6813; MT6835; MT6858; MT6878; MT6879; MT6881; MT6886; MT6895; MT6896; MT6897; MT6899; MT6980; MT6982; MT6983; MT6985; MT6986; MT6986D; MT6988; MT6989; MT6990; MT6991; MT6993; MT8666; MT8667; MT8668; MT8673; MT8676; MT8678; MT8755; MT8765; MT8766; MT8766R; MT8768; MT8775; MT8781; MT8786; MT8788; MT8788E; MT8789; MT8792; MT8793; MT8795T; MT8796; MT8798; MT8863; MT8873; MT8883; MT8893

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-20458?
In Modem, there is a possible memory corruption due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01402160; Issue ID: MSV-7298.
How severe is CVE-2026-20458?
CVE-2026-20458 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20458?
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