CVE Record
[ HIGH ]CVE-2023-42824
Apple iOS and iPadOS Kernel Privilege Escalation Vulnerability
Apple iOS and iPadOS contain an unspecified vulnerability that allows for local privilege escalation.
- Vendor
- Apple
- Product
- iOS and iPadOS
- CVSS
- 7.8
- EPSS (exploit probability)
- 1.0%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2023-42824 being exploited?
Yes. CISA added CVE-2023-42824 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 1.0% (scored October 18, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-21. Full cross-catalog view: /kev-comparison
What to do
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
US federal civilian agencies must remediate by (21 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other Apple iOS and iPadOS CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2023-41974 Apple iOS and iPadOS Use-After-Free Vulnerability | [ HIGH ] | 7.8 | 2.0% | |
| CVE-2025-24200 Apple iOS and iPadOS Incorrect Authorization Vulnerability | [ MEDIUM ] | 6.1 | 4.4% | |
| CVE-2022-42827 Apple iOS and iPadOS Out-of-Bounds Write Vulnerability | [ HIGH ] | 7.8 | 1.1% | |
| CVE-2021-30983 Apple iOS and iPadOS Buffer Overflow Vulnerability | [ HIGH ] | 7.8 | 2.9% |