01 Record
CVE-2026-80335
Out-of-bounds Write in Bootloader
HighPUBLISHEDCNA: Unisoc
CNA base score8.4 CVSS v3.xCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
02 Description
Out-of-bounds Write in Bootloader
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- Not scored by EPSS
- EPSS percentile
- Not scored by EPSS
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Not recorded
- 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
- 2026-11-04 03:20Z2 HR AGO
- Last updated
- 2026-11-04 03:56Z1 HR AGO
- Reserved
- 2026-08-26
- Assigning CNA
- Unisoc
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.4)
- CNA CVSS vector
- CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.2
- Document digest
- 47c0521345b3cac328c86aab2c55ccd50dd78772c0df908a3037e334fc90227d
05 Affected products
VendorProductVersionsPlatforms
Unisoc (Shanghai) Technologies Co., Ltd.BootloaderSC9863A, SC9832E, SC7731E, T310, T610, T618, T7200, T7225, T7250, T7255, T7280, T8100, T9100, T8200, T7300, T8300—