CVE-2026-9987
Medium
Elevated severity or exploit probability.
CVSS base
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.1%
0.9th percentile
CISA KEV
Not listed
Weakness / dates
CWE-20
Published 2026-05-28 · modified 2026-07-21
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2026-05-28 — Published (NVD)
- 2026-07-21 — Last modified (NVD)
Description
Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Android prior to 148.0.7778.216 allowed a local attacker to execute arbitrary code via a malicious file. (Chromium security severity: High)