01 Record
CVE-2026-49921
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
CriticalPUBLISHEDCNA: google_android
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
02 Description
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
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.38% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 32.3% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-09-24.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-08 18:05Z1 MO AGO
- Last updated
- 2026-09-08 19:58Z1 MO AGO
- Reserved
- 2026-06-02
- Assigning CNA
- google_android
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-122Heap-based Buffer OverflowVariant
- Data version
- 5.2
- Document digest
- a5e0ca4e823b24c1418cfcaf85744664408c9bd5aec1d535eaa29747e9cd4684
05 Affected products
VendorProductVersionsPlatforms
06 References
- source.android.comhttps://source.android.com/docs/security/bulletin/2026/2026-09-01