CVE-2026-20503

mediumpriority · track · 0EPSS 0.003 · 21 %ileDEUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.29% (21st) EPSS

CVSS 5.3 · medium

Is it mine?

62 products

Check your exposure

Who says so?

3 sources

osv · cert_bund · nvd

EPSS · scored 2026-10-27

In Modem, there is a possible system crash 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: MOLY01371002; Issue ID: MSV-9020.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 1.6 · impact 3.6

v3.14.9mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-617US

affected products (62)

Products and version ranges known to be affected.

Dell Computerall versionscert_bundDEcpe:/o:dell:dell_computer:-
Google Android <2026-09-01all versionscert_bundDE
Google Android <2026-09-05all versionscert_bundDE
Google Android< 2026-09-01cert_bundDE
Google Android< 2026-09-05cert_bundDE
mediatek mt2716 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt2716_firmware:*:*:*:*:*:*:*:*
mediatek mt2735 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt2735_firmware:*:*:*:*:*:*:*:*
mediatek mt2737 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt2737_firmware:*:*:*:*:*:*:*:*
mediatek mt6813 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6813_firmware:*:*:*:*:*:*:*:*
mediatek mt6833 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6833_firmware:*:*:*:*:*:*:*:*
mediatek mt6835 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6835_firmware:*:*:*:*:*:*:*:*
mediatek mt6853 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6853_firmware:*:*:*:*:*:*:*:*
mediatek mt6855 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6855_firmware:*:*:*:*:*:*:*:*
mediatek mt6858 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6858_firmware:*:*:*:*:*:*:*:*
mediatek mt6873 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6873_firmware:*:*:*:*:*:*:*:*
mediatek mt6875 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6875_firmware:*:*:*:*:*:*:*:*
mediatek mt6877 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6877_firmware:*:*:*:*:*:*:*:*
mediatek mt6878 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6878_firmware:*:*:*:*:*:*:*:*
mediatek mt6879 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6879_firmware:*:*:*:*:*:*:*:*
mediatek mt6880 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6880_firmware:*:*:*:*:*:*:*:*

showing 20 of 62

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3251Android Patchday September 2026: Mehrere SchwachstellenDeutsch2026-09-08csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Google Android ausnutzen, um beliebigen Code auszuführen, Berechtigungen zu erweitern, vertrauliche Informationen offenzulegen oder Denial-of-Service-Zustände herbeizuführen.
ASB-A-5282110672026-09-01vendor · osvUS

also known as (2)

Other names and identifiers for this entity.

A-528211067osv
M-MOLY01371002osv

sources

Which sources assert this record, and when.

osv cert_bund nvd NVD CVE.org MITRE

published 2026-09-07modified 2026-09-09

references (1) nvd

External citations — patches, advisories, analysis.

https://www.mediatek.com/product-security-bulletin/September-2026Vendor Advisory

scry

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