CVE-2026-17659
Low
No strong exploitation signal.
CVSS base
4.2
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS — probability of exploitation (30 days)
0.3%
25.2th percentile
CISA KEV
Not listed
Weakness / dates
CWE-693
Published 2026-07-30 · modified 2026-08-06
CVSS breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
| Attack Vector | N | Network |
| Attack Complexity | H | High |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | L | Low |
| Integrity | L | Low |
| Availability | N | None |
Timeline
- 2026-07-30 — Published (NVD)
- 2026-08-06 — Last modified (NVD)
Description
Inappropriate implementation in SiteIsolation in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)