Side-Channel Leakage in WebCodecs of Google Chrome v<151.0.7922.72
CVE-2026-17978 Published on July 30, 2026

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)

NVD

Vulnerability Analysis

CVE-2026-17978 is exploitable with network access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
HIGH
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Type

Improper Protection Against Physical Side Channels

The product is missing protections or implements insufficient protections against information leakage through physical channels such as power consumption, electromagnetic emissions (EME), acoustic emissions, or other physical attributes.


Products Associated with CVE-2026-17978

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Affected Versions

Google Chrome: