# CVE-2026-86978: CVE-2026-86978

Status: published. Published: 2026-10-26. Updated: 2026-11-04.

This issue was addressed with improved checks. This issue is fixed in iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, tvOS 27.2. An app may be able to access sensitive user data.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Apple / iOS and iPadOS: ≥ 0; < 27.2 (affected, custom). Source: CNA: apple
- Apple / macOS: ≥ 0; < 27.2 (affected, custom). Source: CNA: apple
- Apple / tvOS: ≥ 0; < 27.2 (affected, custom). Source: CNA: apple

## NVD configuration conditions

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

```json
[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "27.2",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "27.2",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "27.2",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "27.2",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 3.1: 3.3 (low); CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N; source: ADP: CISA-ADP

- CVSS 3.1: 3.3 (low); CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N; source: NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- CISA KEV: No listing in collected sources

- EPSS: 0.23% as of 2026-11-04; percentile 13.71%

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

- Weaknesses: CWE-200

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://support.apple.com/en-us/149230 (CNA: apple)

- https://support.apple.com/en-us/149521 (CNA: apple)

- https://support.apple.com/en-us/149524 (CNA: apple)

- https://support.apple.com/en-us/149230 (product-security@apple.com; Release Notes, Vendor Advisory)

- https://support.apple.com/en-us/149521 (product-security@apple.com; Release Notes, Vendor Advisory)

- https://support.apple.com/en-us/149524 (product-security@apple.com; Release Notes, Vendor Advisory)

## Provenance

- CNA: apple: https://www.cve.org/CVERecord?id=CVE-2026-86978; retrieved 2026-11-04; source updated 2026-11-04

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-86978; retrieved 2026-11-04; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-86978; retrieved 2026-11-04; source updated Not reported

Revision: 112a93ce8f96eeef1c27d07a95da0b651f8970171ba0903acbd785d983ffc41b

Canonical: https://y2.dev/cve/CVE-2026-86978

## 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.