PatchTheCVECVE-2026-121116: Missing authorization in WebView in Google Chrome on on Android prior to 157.0.8103.38 allowed a remote attack
CVE-2026-121116 is a medium-severity flaw (CVSS 5.3) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Missing authorization in WebView in Google Chrome on on Android prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 91%) |
| CISA exploited list | No |
| Weakness | CWE-862 |
| Published | 2026-11-03 |
| Last modified | 2026-11-04 |
Last updated 2026-11-04 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Advisories and coverage
Research and news
- VulDB Recent Entries: CVE-2026-121116 | Google Chrome up to 156.0.8078.79 WebView improper authorization 2026-11-03
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-2026-121116?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-121116 being exploited?
CVE-2026-121116 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-2026-121116 affect?
CVE-2026-121116 affects affected software. Severity is medium (CVSS 5.3). Missing authorization in WebView in Google Chrome on on Android prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to obtain sensitive information via a crafted HTML page. (Chromium security severity:
How urgent is CVE-2026-121116?
Priority 21/100. No elevated risk signals yet.
Software pages
Android vulnerabilities · Google Chrome vulnerabilities · Chromium vulnerabilities