VulnerabilityAnalyzed
CVE-2026-20434
In Modem, there is a possible out of bounds write due to a missing bounds check.
HIGH 7.5EPSS 0.22%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Modem, there is a possible out of bounds write 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 needed for exploitation. Patch ID: MOLY00782946; Issue ID: MSV-4135.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.22% probability · 12th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- mediatek/lr12a · mediatek/lr13 · mediatek/nr15 · mediatek/nr16 · mediatek/nr17
- Source
- security@mediatek.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.