CVE-2026-5281

HIGH
8.8
CVSS Score
Published: April 1, 2026 at 04:41 AM UTC
Updated: July 24, 2026 at 09:20 PM UTC
1 product affected across 1 vendorChrome· also runs on 3 platforms

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Severity
HIGH8.8
Exploitation
CISA KEV
Exploit prediction
EPSS 14%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score13.7%

EPSS (Exploit Prediction Scoring System) estimates a 13.7% chance this CVE is exploited in the wild within the next 30 days — higher than 97% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Google Dawn contains an use-after-free vulnerability that could allow a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. This vulnerability could affect multiple Chromium-based products including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Required Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Ransomware Use
Unknown
Added to KEV
Apr 1, 2026
Remediation Due
Apr 15, 2026
198 days overdue

Description

Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 146.0.7680.177v < 146.0.7680.178
Affected range stops below 146.0.7680.177, so it looks safe — our inference, not a vendor statement
Affected range stops below 146.0.7680.178, so it looks safe — our inference, not a vendor statement
apple-macos (environment) · linux-linux-kernel (environment) · microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

Issue TrackingPermissions Required
Source: cverecord
https://issues.chromium.org/issues/491518608
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-5281

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

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