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CVE-2026-86944

Status: Awaiting AnalysisUnscored—
Severity—Unscored
Exploitation probability0.15 %higher than 4% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.

CVSS

NVD hasn't assigned a CVSS score to this CVE (common since the April 2026 policy change).

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.15 %
Percentile among all scored CVEs
4
Score date
10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (3)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Apple — IpadosAIApple — Iphone OSAIApple — MacosAI

References

Show 3 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-86944",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "26.7",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "15.8",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "0",
              "lessThan": "26.7",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-10-20T01:17:28.177",
  "references": [
    {
      "url": "https://support.apple.com/en-us/149041",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/149042",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/149043",
      "source": "product-security@apple.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "descriptions": [
    {
      "lang": "en",
      "value": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination."
    }
  ],
  "lastModified": "2026-10-20T15:03:59.857",
  "sourceIdentifier": "product-security@apple.com"
}