CVE-2026-20562

Published Nov 2, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01775984; Issue ID: MSV-8907.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Out of Bounds Write in MediaTek Modem Causing Remote Denial of Service
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mediatek Chipset
Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek
Mediatek mediatek Chipset
Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Type Values Removed Values Added
Title Out of Bounds Write in MediaTek Modem Causing Remote Denial of Service
Type Values Removed Values Added
Description In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01775984; Issue ID: MSV-8907.
Weaknesses CWE-1284
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
MediaTek
Published
Updated
Nov 2, 2026, 3:00 PM
Reserved
Nov 3, 2025, 1:30 AM
Status
Awaiting Analysis
Published
Nov 2, 2026, 3:17 AM
Modified
Nov 2, 2026, 4:18 PM