Dashboard / CVE-2026-7978

CVE-2026-7978

HIGH
MEDIUM Priority: 0.02 BB Relevance: 66/100
Published: 2026-05-06 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

Description

Inappropriate implementation in Companion in Google Chrome on Mac prior to 148.0.7778.96 allowed a remote attacker to perform OS-level privilege escalation via malicious network traffic. (Chromium security severity: Medium)

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
google chrome < 148.0.7778.96

References & Advisories (2)

https://issues.chromium.org/issues/497828892
Issue Tracking Permissions Required

Bug Bounty Relevance

66 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

8.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.24%
Raw Score 0.002370
Percentile 14.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00237
2026-10-28
0.00237

Intelligence Sources

nvd ref →

External Links