Vulnerability

CVE-2024-4947

Critical· 9.6KEVCVSS9.6EPSS1%

.rules3/5

Google Chromium V8 Type Confusion Vulnerability

Google Chromium V8 contains a type confusion vulnerability that allows a remote attacker to execute code via a crafted HTML page.

Threat signal

100/100

Severe

Severity

critical

CVSS

9.6

EPSS

Active

KEV

CISA KEV — actively exploited

733d overdue

AffectedGoogle — Chromium V8

Added to KEV

2024-05-20

Federal patch due (BOD 22-01)

2024-06-10

Required action (CISA verbatim)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vendor advisory + references

CISA description: “Google Chromium V8 contains a type confusion vulnerability that allows a remote attacker to execute code via a crafted HTML page.”

CVSS

v3.1Open in FIRST calculator →

9.6/ 10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredNoneUnauthenticated — no credentials needed.
User InteractionRequiredRequires user action (click, file open, etc).
ScopeChangedImpact extends beyond the vulnerable component (e.g. sandbox escape).
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactHighTotal compromise of integrity — full data modification possible.
Availability ImpactHighTotal loss of availability — full DoS possible.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

1.06%

probability of exploitation in next 30 days

p78

higher than 78% of all CVEs

3-day trend↑ 0pp

Mid-pack — moderate exploitation likelihood.

Vendor VEX

No VEX statements published for CVE-2024-4947. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCAct

Active exploitation with total impact on essential/support systems

exploitation: active
automatable: yes
impact: total
mission: support

Lifecycle

2024-05-20Added to CISA KEVransomware: Unknown
2024-05-20Published
2024-06-10Federal patch due (BOD 22-01)
2026-06-12Last modified1 source

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.