by Kastro
Paper/Archive/CVE-2026-49921

CVE-2026-49921

Google Android — In multiple locations, there is a possible memory safety issue due to a heap buffer overflow.

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
36
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 32.7.327 × 206.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

In multiple locations, there is a possible memory safety issue due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected

ProductAffectedFixed inSource
Android17–CNA
Android16-qpr2–CNA
Android16–CNA
Android15–CNA
Android14–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refsource.android.com/docs/security/bulletin/2026/2026-09-01