Is CVE-2022-42827 being actively exploited?

Yes. CVE-2022-42827 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on October 25, 2022.

What is the CVSS score for CVE-2022-42827?

CVE-2022-42827 has a CVSS 3.1 base score of 7.8 (HIGH).

CVE-2022-42827

HIGH · CVSS 7.8CISA KEV: actively exploitedEPSS 1.1%EU EUVD: exploited

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..

Key facts

CVSS score: 7.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-787
EPSS score: 1.1% (64th percentile)
In CISA KEV: Yes, added October 25, 2022
In EU EUVD: Yes (EUVD-2022-45890)
Published: November 1, 2022
NVD last modified: June 17, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Apple iOS and iPadOS Out-of-Bounds Write Vulnerability

Added to the KEV catalog on October 25, 2022; federal remediation due November 15, 2022.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2022-45890 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 21, 2025.

View on the EU Vulnerability Database

Affected products

apple / ipados
apple / iphone os

Certified products that may be affected

6 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Strong Customer Authentication pour Apple Pay sur iPhone SE (2nde génération) avec A13 Bionic exécutant iOS 15.4.1 (Version 15.4.1 (build 19E258)) - Apple Inc. - Common Criteria ANSSI-CC-2023/15 - active
Strong Customer Authentication pour Apple Pay sur iPhone 13 avec A15 Bionic exécutant iOS 15.4.1 Version 15.4.1 (build 19E258) - Apple Inc. - Common Criteria ANSSI-CC-2023/18 - active
Strong Customer Authentication pour Apple Pay sur iPhone SE (de seconde génération) exécutant iOS 14.5.1 Version 18E212 - Apple Inc. - Common Criteria ANSSI-CC-2022/05 - active
Strong Customer Authentication pour Apple Pay sur iPhone (SoC A12 Bionic) exécutant iOS 14.5.1 Version 18E212 - Apple Inc. - Common Criteria ANSSI-CC-2022/04 - active
Apple iOS 16: iPhones - Apple Inc. - Common Criteria CCEVS-VR-VID-11349-2023 - archived

See all 6 in the Security Certifications Explorer.

References

https://support.apple.com/en-us/HT213489(Vendor Advisory)
https://support.apple.com/en-us/HT213490(Vendor Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42827(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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