9.6

CVE-2026-84354: google chrome Incorrect Authorization

Analyzed
AliasesDEBIAN-CVE-2026-84354
Published 01-09-2026Last modified 03-09-2026

Vulnerability summary

CVE-2026-84354 is a critical (CVSS 9.6) Incorrect Authorization vulnerability in google chrome. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 38.7% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.6 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 0% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.6/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.44%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2
OPENSUSE-SU-2026:11714-1OPENSUSE-SU-2026:21799-1

Timeline

  1. 01-09-2026
    PublishedVulnerability first disclosed.
  2. 03-09-2026
    Last modifiedVulnerability information updated.

Description

Incorrect authorization in FileSystem in Google Chrome prior to 152.0.7977.75 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.44% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • chromium< 152.0.7977.75-1~deb12u1 | < 152.0.7977.75-1~deb13u1 | < 152.0.7977.75-1
Google1 product
  • chrome≥ 152.0.7977.75, < 152.0.7977.75 | < 152.0.7977.75

2 vendors · 2 products

References

3 links