High 7.8Known exploited (CISA KEV)Published Dec 8, 2020

CVE-2020-27932A type confusion issue was addressed with improved state handling.

Updated under an hour ago (Oct 27, 2026, 6:30 PM ET)

Does this affect you?

It affects Apple watchOS and 7 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by May 3, 2022. Treat that date as your deadline.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Apple watchOS

Exploited in the last 30 days

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to execute arbitrary code with kernel privileges.

CVSS: 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-843
Known exploited: Added to CISA KEV Nov 3, 2021; federal remediation due May 3, 2022Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 10.34% (percentile 96)
Assigned by: apple
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Apple watchOS apple:watchos (from the name)	from unspecified before 7.1	CNA record
Apple iOS and iPadOS apple:ios_and_ipados (from the name)	from unspecified before 14.2	CNA record
Apple macOS apple:macos (from the name)	from unspecified before 11.0	CNA record
apple icloud apple:icloud	before 11.5	NVD
apple itunes apple:itunes	before 12.11	NVD
apple ipados apple:ipados	before 14.2	NVD
apple iphone_os apple:iphone_os	before 12.4.9; from 14.0 before 14.2	NVD
apple mac_os_x apple:mac_os_x	before 10.15.7	NVD
apple macos apple:macos	from 11.0 before 11.0.1	NVD
apple watchos apple:watchos	before 5.3.9; from 6.0 before 6.2.9; from 7.0 before 7.1	NVD

References

References

https://support.apple.com/en-us/HT211931	x-refsource-misc, vendor-advisory
https://support.apple.com/en-us/HT211928	x-refsource-misc, vendor-advisory
https://support.apple.com/en-us/HT211929	x-refsource-misc, vendor-advisory
https://support.apple.com/en-us/HT211940	x-refsource-misc, vendor-advisory
https://support.apple.com/en-us/HT211944	x-refsource-misc, vendor-advisory
https://support.apple.com/en-us/HT211945	x-refsource-misc, vendor-advisory
https://support.apple.com/en-us/HT211946	x-refsource-misc, vendor-advisory
https://support.apple.com/en-us/HT211947	x-refsource-misc, vendor-advisory
http://seclists.org/fulldisclosure/2020/Dec/32	mailing-list, x-refsource-fulldisc, third-party-advisory
http://packetstormsecurity.com/files/161295/XNU-Kernel-Turnstiles-Type-Confusion.html	x-refsource-misc, third-party-advisory, vdb-entry
1–10 of 11

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.