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CVE-2024-4761: Out of bounds write in V8 in Google Chrome prior to 124.0.6367.207 allowed a remote attacker to perform an...

Out of bounds write in V8 in Google Chrome prior to 124.0.6367.207 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: High)

HighCVSS 8.3Known exploitedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2024-4761 is a high-severity Google Chrome V8 memory corruption flaw. A victim who opens a crafted HTML page could trigger an out-of-bounds memory write. CISA lists it in KEV, so treat it as exploited and prioritize browser updates.

Executive priority

Patch this as an urgent endpoint/browser exposure. The business risk is broad because normal web browsing can reach the attack surface, and CISA KEV means exploitation is known, even though the provided sources do not quantify targeting.

Technical view

The issue is CWE-787 out-of-bounds write in V8 affecting Chrome before 124.0.6367.207. The CVSS 3.1 score is 8.3 with network attack vector, required user interaction, high attack complexity, changed scope, and high confidentiality, integrity, and availability impact.

Likely exposure

Exposure is most likely on unmanaged or slow-patched desktop Chrome installations below 124.0.6367.207, plus Chromium-derived packages where vendor advisories reference the issue. Internet browsing makes exposure broad, but exploitation still requires user interaction with crafted HTML.

Exploitation context

Known exploitation is supported by the CISA KEV listing. The provided sources do not describe campaign scale, targets, exploit chain details, or whether exploitation bypasses Chrome sandbox protections.

Researcher notes

Focus validation on version state and crash telemetry rather than exploit reproduction. Public details are limited to V8 out-of-bounds write, crafted HTML trigger, high Chromium severity, CVSS vector, and KEV status. Avoid assuming additional affected products beyond cited Chrome and Fedora Chromium advisories.

Mitigation direction

  • Update Google Chrome to 124.0.6367.207 or later.
  • Apply relevant Linux distribution Chromium package updates.
  • Prioritize managed browser fleets and high-risk users first.
  • Check vendor guidance for any platform-specific remediation.
  • Do not delay patching because exploitation is KEV-listed.

Validation and detection

  • Inventory Chrome and Chromium versions across endpoints.
  • Confirm no Chrome version remains below 124.0.6367.207.
  • Review EDR or browser telemetry for suspicious renderer crashes.
  • Verify patch deployment through endpoint management reporting.
  • Track CISA KEV status and vendor advisory updates.
Prepared
Confidence
high
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-787: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2024-4761 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
8.3 (3.1)
Known Exploited
Yes
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
7Source links

CISA KEV status

Status
Known exploited
Source
CISA / ADP
Date added
Not provided

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.3CVSS 3.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H1.66Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.3High
CVSS 3.1 vector shape for CVE-2024-4761Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
GoogleChrome124.0.6367.207Listed
Weakness

CWE details

CWE-787

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-787 · source CWE mapping

Out-of-bounds Write

Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligenceSame-CWE CVEs