# CVE-2026-86972: CVE-2026-86972

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

A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. Processing a maliciously crafted audio file may lead to memory corruption.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Apple / iOS and iPadOS: ≥ 0; < 26.7.2 (affected, custom); ≥ 0; < 27.2 (affected, custom). Source: CNA: apple
- Apple / macOS: ≥ 0; < 26.7.2 (affected, custom); ≥ 0; < 27.2 (affected, custom). Source: CNA: apple
- Apple / tvOS: ≥ 0; < 27.2 (affected, custom). Source: CNA: apple
- Apple / visionOS: ≥ 0; < 27.2 (affected, custom). Source: CNA: apple
- Apple / watchOS: ≥ 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": "26.7.2",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "27.2",
            "versionStartIncluding": "27.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "26.7.2",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "27.2",
            "versionStartIncluding": "27.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "26.7.2",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "27.2",
            "versionStartIncluding": "27.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "27.2",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "27.2",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "27.2",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H; source: ADP: CISA-ADP

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H; source: NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- CISA KEV: No listing in collected sources

- EPSS: 0.24% as of 2026-11-03; percentile 15.68%

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

- Weaknesses: CWE-120

## Exploit evidence

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

## References

- https://support.apple.com/en-us/149227 (CNA: apple)

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

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

- https://support.apple.com/en-us/149522 (CNA: apple)

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

- https://support.apple.com/en-us/149525 (CNA: apple)

- https://support.apple.com/en-us/149526 (CNA: apple)

- https://support.apple.com/en-us/149227 (product-security@apple.com; Release Notes, Vendor Advisory)

- 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/149522 (product-security@apple.com; Release Notes, Vendor Advisory)

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

- https://support.apple.com/en-us/149525 (product-security@apple.com; Release Notes, Vendor Advisory)

- https://support.apple.com/en-us/149526 (product-security@apple.com; Release Notes, Vendor Advisory)

## Provenance

- CNA: apple: https://www.cve.org/CVERecord?id=CVE-2026-86972; retrieved 2026-11-03; source updated 2026-11-03

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-86972; retrieved 2026-11-04; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-86972; retrieved 2026-11-03; source updated Not reported

Revision: d75097572020ff7c6723b57e26c5e9b725fe1212a2721ecbab227a85f79faed8

Canonical: https://y2.dev/cve/CVE-2026-86972

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