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Threats / Google / CVE-2024-4761
CVE-2024-4761 · EUVD no mirror located · GCVE no mirror located Verified 2026-06-22

Google Chromium V8 vulnerability

Google Chromium V8 contains an out-of-bounds memory write vulnerability exploitable via crafted HTML, affecting multiple browsers including Chrome, Edge, and Opera.

Verdict

Today item — known-exploited.

An out-of-bounds write in V8 allows remote code execution through malicious web content. The vulnerability is actively exploited in the wild with low EPSS score but high impact potential across Chromium-based browsers.

CISA KEV Yes · 2024-05-163EPSS 0.11007 (verify live)4
01

Is it exploitable?

— the evidence, ranked above the score
Reported exploitation
7 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-05-16).
CISA KEV ↗Confirmed
Probability (EPSS)
EPSS 0.11007 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Google, Chromium V8. Confirm exact fixed builds in the vendor advisory.
NVD ↗Reported
Weakness (CWE)
Mapped to CWE-787 Out-of-bounds Write — weakness family: Memory safety.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
NVD ↗Reported
WeaknessCWE-787 · Out-of-bounds WriteMemory safety
02

Who’s exploiting it?

— attribution turns risk into urgency
Attribution not established

No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.

03

Why it matters

— the attack path, told twice: adversary, then board
1

Front door — unauthenticated access narrative 1

Attacker
I craft a malicious HTML page that triggers an out-of-bounds write in the V8 JavaScript engine.
Business
Users visiting attacker-controlled or compromised websites face arbitrary code execution within browser context.
2

Keys to the kingdom — privilege/identity takeover narrative 2

Attacker
I exploit the memory corruption to achieve code execution with browser process privileges.
Business
Attackers gain access to user credentials, browsing history, cached data, and can pivot to system compromise.
3

Lateral reach — past segmentation narrative 3

Attacker
I distribute the exploit through watering hole attacks or ad networks targeting Chromium browser users.
Business
Organizations face widespread endpoint compromise across their user base without requiring user interaction beyond normal browsing.
04

What to do

— defensible action
  • Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05

Coverage & confidence

— what we know, and what we don’t

Established (cited)

  • KEV listing (CISA)
  • EPSS probability (FIRST)
  • 7 reported-exploitation source(s)
  • CWE weakness mapping (NVD)
  • Catalogued by Chrome (CNA)
  • Coverage gaps — stated, not hidden

  • No EUVD / GCVE mirror in feed — single-authority dependency for the identifier.
  • EPSS & exposure are time-varying; verify live at the source.
  • Threat-actor attribution not established from feed data — absence of a name is not absence of compromise.
  • No finder/reporter credit recorded in the public CVE entry — the work behind this find is unattributed.
  • Disclosure & credit2
    Catalogued by ChromeCNA
    Credited with finding itNo finder named in the public CVE record — the work behind this find is unattributed.