PatchTheCVECVE-2026-15115: Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Android prior to 150.0.7871.1
CVE-2026-15115 is a low-severity flaw (CVSS 3.3) affecting chrome. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Android prior to 150.0.7871.115 allowed a local attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 3.3 (Low) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.1% (top 98%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2026-07-08 |
| Last modified | 2026-10-25 |
Last updated 2026-10-25 · 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-2026-15115?
chrome: upgrade to 150.0.7871.115. Exact commands for each OS are on this page.
Is CVE-2026-15115 being exploited?
CVE-2026-15115 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-2026-15115 affect?
CVE-2026-15115 affects chrome. Severity is low (CVSS 3.3). Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Android prior to 150.0.7871.115 allowed a local attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)
How urgent is CVE-2026-15115?
Priority 12/100. No elevated risk signals yet.
Software pages
Android vulnerabilities · Google Chrome vulnerabilities · Chromium vulnerabilities
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