CVE-2026-118333

Buffer overflow in Video in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

9.3 CRITICALEPSS 0.25%Not in KEVNVD: Modified

Last updated: 2026-11-03 22:19 UTC

OverviewCVSS details

9.3CRITICALCVSS 3.1

Score source: NVD
NVD status: Modified
Published: Oct 27, 2026
Assigner: Chrome

Affected

Chrome (Google)

Versions: 156.0.8078.73 before 156.0.8078.73
Fixed in: 156.0.8078.73

Exploitation

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

EPSS · FIRST, scored Nov 8

0.25%chance of exploitation in 30 days

Higher than 16.56% of CVEs

CVSS 3.1 · NVD

9.3Critical

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

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

CVSS 3.1 · CISA-ADP

5.4Medium

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

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

NVD status: Modified

Overview Affected Products References

NVD CVE.org

Overview

Severity

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

Details

CVE ID: CVE-2026-118333
Status: Modified
Assigner (CNA): Chrome
Published: Oct 27, 2026
Last modified: 2026-11-03 22:19 UTC
Weaknesses: CWE-122 · Buffer overflow

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 08:28 UTC.