Findings

CVE-2026-20434

In Modem, there is a possible out of bounds write due to a missing bounds check.

Published Mar 2, 2026 · updated Jun 17, 2026 · mediatek lr12a

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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 2, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Affected

  • cpe mediatek/lr12aversion unspecified
  • cpe mediatek/lr13version unspecified
  • cpe mediatek/nr15version unspecified
  • cpe mediatek/nr16version unspecified
  • cpe mediatek/nr17version unspecified

Sources

  • NIST NVDVulnerability recordCVE-2026-20434

    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

    nvd.nist.gov

References

CVE-2026-20434 · ZeroDay Findings