CVE-2026-87544

Incorrect authorization in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions into a privileged page via a crafted HTML page. (Chromium security severity: Low)

9.8 CRITICALEPSS 0.33%Not in KEVNVD: Modified

Last updated: 2026-11-03 22:23 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: NVD
NVD status: Modified
Published: Sep 9, 2026
Assigner: Chrome

Affected

Chrome (Google)

Versions: 153.0.8010.36 before 153.0.8010.36
Fixed in: 153.0.8010.36

Exploitation

Public exploit: None listed
CISA KEV: Not listed
KEV due date: —
SSVC: Exploitation none · Automatable no · Impact total

EPSS · FIRST, scored Nov 8

0.33%chance of exploitation in 30 days

Higher than 27.05% of CVEs

CVSS 3.1 · NVD

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 3.1 · CISA-ADP

8.8High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

NVD status: Modified

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.8	HIGH	3.1CISA-ADP	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CVE ID: CVE-2026-87544
Status: Modified
Assigner (CNA): Chrome
Published: Sep 9, 2026
Last modified: 2026-11-03 22:23 UTC
Weaknesses: CWE-863 · Incorrect authorization

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 10:13 UTC.