CVE-2026-20565

In Modem, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01778991; Issue ID: MSV-8900.

CVSS v3 8.4 HIGH

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.mediatek.com/product-security-bulletin/November-2026

Configurations

No configuration.

History

02 Nov 2026, 17:17

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.4

02 Nov 2026, 03:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-11-02 03:17

Updated : 2026-11-03 05:18

NVD link : CVE-2026-20565

Mitre link : CVE-2026-20565

CVE.ORG link : CVE-2026-20565

JSON object : View

Products Affected

No product.

CWE

CWE-787

Out-of-bounds Write

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This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01778991; Issue ID: MSV-8900."}], "lastModified": "2026-11-03T05:18:37.967", "sourceIdentifier": "security@mediatek.com"}