CVE-2022-42827
HighExploitedPublic exploitAn out-of-bounds write issue was addressed with improved bounds checking.
Published Nov 1, 2022 · Updated Oct 23, 2025
Key Facts
Patch immediately- CVE-2022-42827 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Ipados (Apple), Iphone OS (Apple), iOS and iPadOS.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 24, 2022. Public exploit code is available.
- EPSS estimates a 1.1% probability of exploitation in the next 30 days.
- Fixed versions are available, including Ipados 15.7.1, Iphone OS 15.7.1, iOS and iPadOS 15.7.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
1.1%
Higher than 64.1% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2022-42827 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.7.1 and iPadOS 15.7.1, iOS 16.1 and iPadOS 16. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Oct 25, 2022 | Nov 15, 2022 | Not reported |
| Industry KEV feed | Oct 24, 2022 | Nov 15, 2022 | Not reported |
| CIRCL KEV | Oct 25, 2022 | Nov 15, 2022 | Not reported |
| ENISA EUVD | Oct 25, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| IpadosApple | See advisory | 15.7.1 |
| Iphone OSApple | See advisory | 15.7.1 |
| iOS and iPadOS | >= unspecified | 16.1 |
Patched Releases
Ipados
15.7.1
Iphone OS
15.7.1
iOS and iPadOS
15.7, 16.1
Timeline
Added to Industry KEV feed
Oct 24, 2022
Added to CISA KEV
Oct 25, 2022
Added to CIRCL KEV
Oct 25, 2022
Added to ENISA EUVD
Oct 25, 2022
Publicly disclosed
Nov 1, 2022
Last updated
Oct 23, 2025
Weakness Type
- CWE-787 Out-of-bounds Write
References
- advisoryhttps://support.apple.com/en-us/HT213489
- advisoryhttps://support.apple.com/en-us/HT213490
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
An out-of-bounds write issue was addressed with improved bounds checking.
Affected: Ipados (Apple); Iphone OS (Apple); iOS and iPadOS versions >= unspecified. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 24, 2022.
Yes. It was added on Oct 25, 2022 with a federal remediation due date of Nov 15, 2022.
Public exploit code is available.
Fixed versions are available, including Ipados 15.7.1, Iphone OS 15.7.1, iOS and iPadOS 15.7.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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