Background exploitation KEV catalog

CVE-2024-23296

Apple Multiple Products Memory Corruption Vulnerability

CheckOps priority index

4.4/10 Patch within 7 days

Severity7.8

Probability0.1

Exploitation2/5

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

EPSS · today 1.4% higher than 72.7% of CVEs

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

Exploited for 972 days 06 Mar 2024

CISA due date 27 Mar 2024 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 2 / 5

KEV catalog (CISA)06 Mar 2024
Exploited in EUVD (ENISA)06 Mar 2024
Used by ransomwareno
EPSS above 10 %1.4%
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 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

Description ENISA EUVD

A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.4 and iPadOS 17.4, macOS Monterey 12.7.6, macOS Sonoma 14.4, macOS Ventura 13.6.7, tvOS 17.4, visionOS 1.1, watchOS 10.4. An attacker with arbitrary kernel read and write capability may be able to bypass kernel memory protections. Apple is aware of a report that this issue may have been exploited.

Affected products

iOS and iPadOSmacOSvisionOStvOSwatchOSMultiple Products

Affected versions

0 <17.4
0 <12.7.6
0 <13.6.7
0 <1.1
0 <16.7.8
0 <10.4
0 <14.4

Weaknesses (CWE)

CWE-787

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

05 Mar 2024
Published
06 Mar 2024
Exploitation reported (ENISA)
06 Mar 2024
Added to the KEV catalog
27 Mar 2024
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