Remote code execution in Android platform component affects large numbers of devices and enterprise mobile endpoints; widespread impact likely.
CVE-2026-49879
Android integer overflow enabling remote code execution in rw_t3t component
Is CVE-2026-49879 being exploited?
Not confirmed. CVE-2026-49879 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.29% probability of exploitation in the next 30 days.
How severe is CVE-2026-49879?
CVE-2026-49879 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-49879?
Yes. A fix has been recorded for CVE-2026-49879. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-49879 affect?
CVE-2026-49879 affects Android devices (rw_t3t component / NFC subsystem). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-49879?
Apply Android security update to affected devices immediately.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via integer overflow/out-of-bounds write; attacker can run arbitrary code without user interaction.
Immediate action required
- affected17
- affected16-qpr2
- affected16
- affected15
- affected14
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.