PatchTheCVECVE-2026-21036: Improper authorization in Samsung Internet prior to version 30.0.0.39 allows local attackers to access sensiti
CVE-2026-21036 is a medium-severity flaw (CVSS 5.5) affecting internet. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Improper authorization in Samsung Internet prior to version 30.0.0.39 allows local attackers to access sensitive information.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.1% (top 99%) |
| CISA exploited list | No |
| Weakness | CWE-863 |
| Published | 2026-06-05 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-21036?
internet: upgrade to 30.0.0.39. Exact commands for each OS are on this page.
Is CVE-2026-21036 being exploited?
CVE-2026-21036 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-21036 affect?
CVE-2026-21036 affects internet. Severity is medium (CVSS 5.5). Improper authorization in Samsung Internet prior to version 30.0.0.39 allows local attackers to access sensitive information.
How urgent is CVE-2026-21036?
Priority 19/100. No elevated risk signals yet.