What is the CVSS score of CVE-2026-12451?

CVE-2026-12451 has a CVSS 3.1 base score of 8.3 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Which versions of Google are affected by CVE-2026-12451?

Google Chrome versions before 149.0.7827.155 contain a sandbox escape in the DigitalCredentials component that could allow browser compromises to escalate into full system access.. A patch is available.

How to fix or mitigate CVE-2026-12451?

Within 24 hours, identify all Chrome deployments across endpoints and development systems, prioritizing machines with administrative privileges or access to sensitive data. Within 7 days, begin staged rollout of Chrome 149.0.7827.155 or later, starting with business-critical and high-risk systems. Complete full organizational deployment within 30 days, confirming all instances (including kiosk deployments, embedded Chromium applications, and remote endpoints) are updated to patched versions or later.

Google CVE-2026-12451

EUVD-2026-37536 HIGH

Use After Free (CWE-416)

2026-06-17 Chrome

Memory Corruption Use After Free Google Denial Of Service

8.3

CVSS 3.1 · Vendor: Chrome

Severity by source

Vendor (Chrome) PRIMARY

8.3 HIGH

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

SUSE

CRITICAL

qualitative

Red Hat

8.3 HIGH

qualitative

Primary rating from Vendor (Chrome).

CVSS VectorVendor: Chrome

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Jul 22, 2026 - 22:04 vuln.today

CVE Published

Jun 17, 2026 - 01:38 cve.org

UNKNOWN (no severity yet)

CVE Published

Jun 17, 2026 - 01:38 cve.org

HIGH 8.3

DescriptionCVE.org

Use after free in DigitalCredentials in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Articles & Coverage 2

News 20 New Chrome Vulnerabilities - 1 Critical, 19 High Severity Jun 18, 2026 News 20 New Chrome Vulnerabilities - 1 Critical, 19 High Severity Jun 17, 2026

AnalysisAI

Sandbox escape in Google Chrome's DigitalCredentials component before 149.0.7827.155 lets a remote attacker who has already compromised the renderer process break out of the sandbox and gain broader host access via a crafted HTML page. Reported internally by Google's Chrome security team and rated High severity; no public exploit is identified at time of analysis, and EPSS remains low (0.27%, 19th percentile). CISA SSVC lists exploitation status as none, indicating no observed in-the-wild use despite total technical impact.