Apple iOS and iPadOS Use-After-Free Vulnerability

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, iOS 15.8.7 and iPadOS 15.8.7. An app may be able to execute arbitrary code with kernel privileges.

CheckOps priority index

4.4/10 Patch within 7 days

Severity7.8

Probability0.2

Exploitation2/5

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

EPSS · today 2.0% higher than 80.3% of CVEs

CVSS 3.1 7.8 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:

Exploited for 243 days 05 Mar 2026

CISA due date 26 Mar 2026 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 2 / 5

KEV catalog (CISA)05 Mar 2026
Exploited in EUVD (ENISA)05 Mar 2026
Used by ransomwareno
EPSS above 10 %2.0%
No account, over the networkno

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

iOS and iPadOS

Affected versions

unspecified <17
unspecified <15.8.7

Weaknesses (CWE)

CWE-416

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

10 Jan 2024
Published
05 Mar 2026
Exploitation reported (ENISA)
05 Mar 2026
Added to the KEV catalog
26 Mar 2026
CISA remediation due date

References

Other exploited vulnerabilities from the same vendor

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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