CVE-2026-25262
Write-what-where Condition in Primary Bootloader
Memory corruption while processing a crafted ELF file in the Primary Bootloader.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Write-what-where Condition in Primary Bootloader
Memory corruption while processing a crafted ELF file in the Primary Bootloader.
- Record
CVE-2026-25262- CVSS 3.1
- 6.9 Medium
CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-123
- Updated
- 2026-11-02
EUVDEUVD-2026-84346
Memory corruption while processing a crafted ELF file in the Primary Bootloader.
- Record
EUVD-2026-84346- CVSS 3.1
- 6.9 Medium
CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3rc4-4v6f-jmj2
Memory corruption while processing a crafted ELF file in the Primary Bootloader.
Memory corruption while processing a crafted ELF file in the Primary Bootloader.
- Record
GHSA-3rc4-4v6f-jmj2- CVSS 3.1
- 6.9 Medium
CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-123
- Updated
- 2026-11-02
NVD
Memory corruption while processing a crafted ELF file in the Primary Bootloader.
- Record
CVE-2026-25262- CVSS 3.1
- 6.9 Medium
CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H - CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-123
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Starry2233/cve-2026-25262-poc | 2026-10-25 |
| PoC in GitHub | shurikgo/cve-2026-25262-sm8450-research | 2026-07-08 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-25262 is a medium vulnerability (CVSS 6.9) in Qualcomm Mdm9207 Firmware, published September 22, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. No source names a fixed version.