CVE-2026-49885
Received Received - Intake

Possible Out-of-Bounds Write in rw_t4t Component

Publication date: 2026-10-05

Last updated on: 2026-10-05

Assigner: Android (associated with Google Inc. or Open Handset Alliance)

Description
In rw_t4t_update_file of rw_t4t.cc, there is a possible out-of-bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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Meta Information

Published
2026-10-05
Last Modified
2026-10-05
Generated
2026-10-05
AI Q&A
2026-10-05
EPSS Evaluated
N/A
NVD
CVE-2026-49885
EUVD
EUVD-2026-92602

Affected Vendors & Products

Showing 5 associated CPEs
Vendor Product Version / Range
Google Android 17
Google Android 16-qpr2
Google Android 16
Google Android 15
Google Android 14

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-190 The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

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Executive Summary

This vulnerability is an integer overflow in the rw_t4t_update_file function of rw_t4t.cc. It leads to a possible out-of-bounds write, which could allow local privilege escalation without needing additional execution privileges or user interaction.

Impact Analysis

An attacker could exploit this to gain elevated privileges on your device, potentially allowing them to take control of sensitive functions or data without your knowledge.

Compliance Impact

This vulnerability allows local privilege escalation with high impact on confidentiality, integrity, and availability. Such flaws could lead to unauthorized access to sensitive data, which may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information.

Mitigation Strategies

Apply the latest security patches from Google for Android to address the integer overflow in rw_t4t_update_file. Monitor official Android security bulletins for updates and disable affected components if patches are unavailable.

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