CVE-2026-84508

Status: Awaiting AnalysisMedium (5.5)—

Severity5.5Medium · CVSS 3.1

Exploitation probability0.16 %higher than 5% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

This issue was addressed with improved validation of the caller's access. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Tahoe 26.7, visionOS 27. An app may be able to access protected user data.

CVSS

Base score: 5.5
Version: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.16 %
Percentile among all scored CVEs: 5
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).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1068 Exploitation for Privilege Escalationprivilege escalation85 %
Primary impactT1005 Data from Local Systemcollection75 %

Vector AV:L, UI:N y PR:L indica explotación local sin interacción; el texto dice que una app puede acceder a datos protegidos del usuario (C:H), lo que sustenta T1005.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Threat Intelligence Program Execution Prevention Application Isolation and Sandboxing Exploit Protection Update Software Data Loss Prevention

Affected technologies (4)

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

Apple — IOS^AI Apple — Ipados^AI Apple — Macos^AI Apple — Visionos^AI

CWEs

CWE-284

References

Show 4 references

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-84508",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-84508",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-20T14:55:35.320274Z"
        }
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    "cvssMetricV31": [
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
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  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
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  "published": "2026-10-20T01:17:20.937",
  "references": [
    {
      "url": "https://support.apple.com/en-us/149034",
      "source": "product-security@apple.com"
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    {
      "url": "https://support.apple.com/en-us/149035",
      "source": "product-security@apple.com"
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    {
      "url": "https://support.apple.com/en-us/149038",
      "source": "product-security@apple.com"
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    {
      "url": "https://support.apple.com/en-us/149042",
      "source": "product-security@apple.com"
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    }
  ],
  "lastModified": "2026-10-20T15:17:31.357",
  "sourceIdentifier": "product-security@apple.com"
}