Is there a public exploit for CVE-2026-20526?

No public exploit for CVE-2026-20526 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-20526?

CVE-2026-20526 scores CVSS 7.1 (v3.1), rated high. EPSS puts the chance of exploitation in the next 30 days at 0.23%.

What does CVE-2026-20526 affect?

CVE-2026-20526 affects MediaTek, Inc. MediaTek chipset.

7.1 High

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

CVE-2026-20526

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: MOLY01898195; Issue ID: MSV-8906.

Assessment

CVSS: 7.1 (v3.1)
Severity: High
EPSS: 0.23% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 5 October 2026
Last updated: 2 November 2026
Affected: MediaTek, Inc. · MediaTek chipset
Assigner: MediaTek

CVSS vectorCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

At the source

EUVD (ENISA)

References

https://www.mediatek.com/product-security-bulletin/October-2026

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