CVE-2026-20434
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductMediatek Lr12a
PublishedMar 2, 2026
First seenMar 2, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mediatek lr12a | No range specified | — |
| mediatek lr13 | No range specified | — |
| mediatek nr15 | No range specified | — |
| mediatek nr16 | No range specified | — |
| mediatek nr17 | No range specified | — |
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