CVE-2026-49885

Integer Overflow in Android NFC T4T Component Enables Local Privilege Escalation

Published Oct 5, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:*
cpe:2.3:o:google:android:16.0:qpr2:*:*:*:*:*:*
cpe:2.3:o:google:android:17.0:-:*:*:*:*:*:*
Type Values Removed Values Added
Title Integer Overflow in Android NFC T4T Component Enables Local Privilege Escalation
Type Values Removed Values Added
Title Out-of-Bounds Write in Android T4T Update Leads to Local Privilege Escalation
Weaknesses CWE-119
Type Values Removed Values Added
Title Out-of-Bounds Write in Android T4T Update Leads to Local Privilege Escalation
Weaknesses CWE-119
Type Values Removed Values Added
Weaknesses CWE-190
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Google
Google android
Vendors & Products Google
Google android
Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
google_android
Published
Updated
Oct 6, 2026, 3:56 AM
Reserved
Jun 2, 2026, 2:29 PM
Status
Analyzed
Published
Oct 5, 2026, 7:17 PM
Modified
Oct 7, 2026, 1:03 PM