CVE-2026-17978
Low
No strong exploitation signal.
CVSS base
5.3
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS — probability of exploitation (30 days)
0.2%
11.7th percentile
CISA KEV
Not listed
Weakness / dates
CWE-1300
Published 2026-07-30 · modified 2026-08-03
CVSS breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
| Attack Vector | N | Network |
| Attack Complexity | H | High |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | N | None |
| Availability | N | None |
Timeline
- 2026-07-30 — Published (NVD)
- 2026-08-03 — Last modified (NVD)
Description
Side-channel information leakage in WebCodecs in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Low)