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Fencer Vulns
high 7.8

CVE-2023-41992 kev in the critical feed json

The issue was addressed with improved checks.

published 2023-09-21 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-46451

cvss
7.8
version 3.1, CNA
cisa kev
Exploited
added 2023-09-25
epss
9.5%
EPSS 9.5% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

The issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.7, iOS 16.7 and iPadOS 16.7, macOS Ventura 13.6. A local attacker may be able to elevate their privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.

Patch / fix

cisa required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  • Apple macOS 12.7, 13.6
  • Apple iOS and iPadOS 16.7

Timeline

  1. Found exploited as a 0-day (Project Zero)
  2. 0-day patched (Project Zero)
  3. Published
  4. Added to CISA KEV
  5. CISA patch deadline
  6. CISA SSVC: exploitation active

Known exploited

Added
3 y ago
Patch by
2023-10-16 (3 y ago)
Ransomware
Not known
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor, product
Apple, Multiple Products
CISA name
Apple Multiple Products Kernel Privilege Escalation Vulnerability

Zero-day

Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.

Found
2023-09-12
Patched
2023-09-21
Details
project zero tracker

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

9.52% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Apple macOS
  • Apple iOS and iPadOS

Classification

Weakness
  • CWE-754 Improper Check for Unusual or Exceptional Conditions

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.