Y2
Public vulnerability disclosure

CVE-2026-20577

CVE-2026-20577

publishedCWE-280

In Modem, there is a possible permission bypass due to a permissions bypass. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: MOLY01880753; Issue ID: MSV-9866.

Investigate in Cyber JSONMarkdown
Technical severityUnscoredNo score in collected sources
Published2026-11-02Source updated 2026-11-02
Collected2026-11-021 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

ProductVersionsAuthority
MediaTek chipset
MediaTek, Inc. 		MT2716 (affected)
MT6813 (affected)
MT6815 (affected)
MT6835 (affected)
MT6858 (affected)
MT6878 (affected)
MT6881 (affected)
MT6897 (affected)
MT6899 (affected)
MT6982 (affected)
MT6986 (affected)
MT6988 (affected)
MT6991 (affected)
MT6993 (affected)
MT8668 (affected)
MT8676 (affected)
MT8678 (affected)
MT8755 (affected)
MT8775 (affected)
MT8792 (affected)
MT8793 (affected)
MT8863 (affected)
MT8873 (affected)
MT8875 (affected)
MT8883 (affected)
Other versions: unaffected 		CNA: MediaTek

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

No CVSS assessment reported. An unscored record is not a low-severity determination.

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References