6.3

CVE-2026-7977: google chrome Improper Privilege Management

CVSS: 6.3v3.1MediumAnalyzed
AliasesDEBIAN-CVE-2026-7977CGA-9p7r-7jrp-q3qfCGA-q667-2qjm-88vr
Published 06-05-2026Last modified 06-05-2026
Open JSON

Vulnerability summary

CVE-2026-7977 is a medium (CVSS 6.3) Improper Privilege Management vulnerability in google chrome. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 7.8% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.19%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 3
OPENSUSE-SU-2026:10778-1OPENSUSE-SU-2026:20849-1CGA-FJR4-P4F8-M7FV

Timeline

  1. 06-05-2026
    PublishedVulnerability first disclosed.
  2. 06-05-2026
    Last modifiedVulnerability information updated.

Description

Inappropriate implementation in Canvas in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

+0.03 pp

From 0.16% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard1 product
  • chromium< 148.0.7778.96-r0
Debian1 product
  • chromium< 148.0.7778.96-1~deb12u1 | < 148.0.7778.96-1~deb13u1 | < 148.0.7778.96-1
Google1 product
  • chrome≥ 148.0.7778.96, < 148.0.7778.96 | < 148.0.7778.96
Wolfi1 product
  • chromium< 148.0.7778.96-r0

4 vendors · 4 products

References

3 links