# CVE-2024-9121: CVE-2024-9121

Status: published. Published: 2024-09-24. Updated: 2026-11-03.

Inappropriate implementation in V8 in Google Chrome prior to 129.0.6668.70 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Google / Chrome: ≥ 129.0.6668.70; < 129.0.6668.70 (affected, custom). Source: CNA: Chrome
- google / chrome: ≥ 0; < 129.0.6668.70 (affected, custom). Source: ADP: CISA-ADP

## NVD configuration conditions

Affected CPE matches depend on the following AND/OR and negation conditions:

```json
[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "129.0.6668.70",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 3.1: 8.8 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: ADP: CISA-ADP

- CVSS 3.1: 8.8 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: NVD: nvd@nist.gov

- CVSS 3.1: 8.8 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- CISA KEV: No listing in collected sources

- EPSS: 0.51% as of 2026-11-03; percentile 43.60%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-787

## Exploit evidence

- exploit: https://issues.chromium.org/issues/363538434 (chrome-cve-admin@google.com)

## References

- https://chromereleases.googleblog.com/2024/09/stable-channel-update-for-desktop_24.html (CNA: Chrome)

- https://issues.chromium.org/issues/363538434 (CNA: Chrome)

- https://chromereleases.googleblog.com/2024/09/stable-channel-update-for-desktop_24.html (chrome-cve-admin@google.com; Release Notes)

- https://issues.chromium.org/issues/363538434 (chrome-cve-admin@google.com; Exploit, Issue Tracking)

## Provenance

- CNA: Chrome: https://www.cve.org/CVERecord?id=CVE-2024-9121; retrieved 2026-11-03; source updated 2026-11-03

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-9121; retrieved 2026-11-04; source updated 2026-11-03

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2024-9121; retrieved 2026-11-03; source updated Not reported

Revision: ea04a60d6440c6cc713a8dbfd94409e3fa783bbfc17b54263739577c06cc7804

Canonical: https://y2.dev/cve/CVE-2024-9121

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.