First day on Intigriti: our agent harness found and proved a remote code execution bug in Odoo's program.

CVE-2026-20557

HighCVSS 7.5/10Last modified Nov 4, 2026

Description

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 not needed for exploitation. Patch ID: MOLY01877236; Issue ID: MSV-9804.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
MediaTek, Inc.	MediaTek chipset	MT2716; MT6813; MT6815; MT6835; MT6858; MT6878; MT6881; MT6897; MT6899; MT6982; MT6986; MT6988; MT6991; MT6993; MT8668; MT8676; MT8678; MT8755; MT8775; MT8792

References

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

Timeline

Published: Nov 2, 2026
Last modified: Nov 4, 2026
NVD status: Undergoing Analysis

Related CVEs from 2026

CVE-2026-205588.4In GPU pdma, there is a possible escalation of privilege due to use after free. This could lead to local escalation of privilege with no add CVE-2026-205597.8In GPU pdma, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege with User executi CVE-2026-20567.5A security vulnerability has been detected in D-Link DIR-605L and DIR-619L 2.06B01/2.13B01. The impacted element is an unknown function of t CVE-2026-205605.3In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service, if a UE has connec CVE-2026-205615.3In 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 co CVE-2026-205625.3In 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 co CVE-2026-205635.3In Modem, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote denial of service, if a UE has CVE-2026-205646.2In Modem, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local denial of service with no addit CVE-2026-205658.4In 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 CVE-2026-205664.8In 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 co CVE-2026-205676.7In afe, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicio CVE-2026-205686.7In afe, there is a possible system crash due to use after free. This could lead to local escalation of privilege if a malicious actor has al

CVE-2026-20557: High severity, CVSS 7.5 | Vulnix