CVE-2026-20462
MediumCVSS 6.7Exploitation Probability (EPSS)
Low risk2th percentile - higher than 2% of all known CVEs
Summary
A memory corruption vulnerability due to a heap buffer overflow has been discovered in Telephony. This could lead to local escalation of privilege if an attacker already has System privileges. User interaction is not required for exploitation.
Risk Assessment
The risk involves potential privilege escalation by a local attacker, which could lead to full device compromise and access to sensitive data.
Recommendation
It is recommended to immediately apply patch ALPS11006447 provided by the vendor and keep Telephony software updated regularly.
Other vulnerabilities in Telephony
See all- CVE-2017-0554High
A vulnerability in the Telephony component allows a local malicious application to access capabilities outside of its permission levels. This issue is rated as Moderate because it could be used to gain access to elevated capabilities that are not normally accessible to third-party applications.
- CVE-2017-0394High
CVE-2017-0394 is a vulnerability in Telephony that allows a remote attacker to cause a device hang or reboot. This issue is rated as High due to the possibility of remote denial of service.
- CVE-2017-9709Critical
In Android for MSM, Firefox OS for MSM, and QRD Android, there is a privilege escalation vulnerability in telephony affecting all Android releases from CAF using the Linux kernel.
- CVE-2026-20483High
In the Telephony component, a missing permission check could allow local escalation of privilege without additional execution privileges and without user interaction.
- CVE-2026-20470Medium
In the Telephony component, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not required for exploitation.
Original NVD description (English source)
In Telephony, there is a possible memory corruption due to a heap buffer overflow. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11006447; Issue ID: MSV-7871.