Background exploitation KEV catalog No authentication
CVE-2022-48503

Apple Multiple Products Unspecified Vulnerability

The issue was addressed with improved bounds checks. This issue is fixed in tvOS 15.6, watchOS 8.7, iOS 15.6 and iPadOS 15.6, macOS Monterey 12.5, Safari 15.6. Processing web content may lead to arbitrary code execution.

CheckOps priority index
5.4/10 Patch within 7 days
Severity8.8
Probability0.3
Exploitation3/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 3.2% higher than 88.2% of CVEs
CVSS 3.1 8.8 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:
Exploited for 379 days 20 Oct 2025
CISA due date 10 Nov 2025 for US federal agencies

Exploitation probability EPSS · FIRST

05010026 Sep05 Oct15 Oct24 Oct02 Nov
EPSS probability (%)Percentile among all CVEs

Exploitation signals 3 / 5

  • KEV catalog (CISA)20 Oct 2025
  • Exploited in EUVD (ENISA)20 Oct 2025
  • Used by ransomwareno
  • EPSS above 10 %3.2%
  • No account, over the networkyes

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Affected products

SafarimacOStvOSwatchOSiOS and iPadOSMultiple Products
Affected versions
  • unspecified <15.6
  • unspecified <12.5
  • unspecified <8.7

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

  1. Published

  2. Exploitation reported (ENISA)

  3. Added to the KEV catalog

  4. CISA remediation due date

References

Other exploited vulnerabilities from the same vendor

  • CVE-2026-86950Apple Multiple Products Out-of-Bounds Write Vulnerability
    6.7 · Actively exploited
  • CVE-2026-65400Apple macOS Improper Authentication Vulnerability
    5.8 · Actively exploited
  • CVE-2025-43520Apple Multiple Products Classic Buffer Overflow Vulnerability
    3.4 · Background exploitation
  • CVE-2025-43510Apple Multiple Products Improper Locking Vulnerability
    4.3 · Background exploitation
  • CVE-2025-31277Apple Multiple Products Buffer Overflow Vulnerability
    5.4 · Background exploitation
  • CVE-2023-43000Apple Multiple products Use-After-Free Vulnerability
    5.4 · Background exploitation

Are you affected?

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Sources: CISA KEV · ENISA EUVD · FIRST EPSS · OSV. Public data aggregated by CheckOps, updated automatically. Source texts remain the property of their authors. All exploited vulnerabilities