CVE-2026-21031 json
Improper authorization in AppBlock prior to SMR Jun-2026 Release 1 allows local attacker to launch arbitrary activity.
published 2026-06-05 5 mo ago modified 2026-10-26 14 d ago also EUVD-2026-34803
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 0%
- public exploits
- 0
- none known
Summary
Improper authorization in AppBlock prior to SMR Jun-2026 Release 1 allows local attacker to launch arbitrary activity. User interaction is required for triggering this vulnerability.
Patch / fix
- Samsung Mobile Samsung Mobile Devices SMR Jun-2026 Release in Android 15, 16
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.09% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.2 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N |
| CNA | 4.0 | 5.2 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Samsung Mobile Samsung Mobile Devices
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
Sources
- CVE List CVE-2026-21031
- NVD CVE-2026-21031
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.