Security fix · CVE-2025-43323
This issue was addressed with additional entitlement checks.
Published Nov 4, 2025 · catalog updated Aug 5, 2026 · Apple watchOS
Last checked Oct 27, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-43323. EPSS is 0.40%. Act only if a listed version of Apple watchOS is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-43518 · Low
- CVE-2025-43538 · Low
- CVE-2025-43520 · Medium · known exploited
- CVE-2025-43434 · Medium
- CVE-2025-43459 · Medium
- Severity
- High8.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.40%
- Remediation
- Version ranges on file
- Affected products
- vendor Apple watchOS 0 <26
This issue was addressed with additional entitlement checks. This issue is fixed in iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. An app may be able to fingerprint the user.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Apple watchOS 0 <260 <26
How to fix CVE-2025-43323
Upgrade
CVE-2025-43323 lists a fix boundary at 26. Compare the installed build with that boundary before you change production.
Version check
Seen in 0 <26
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-43323. EPSS is 0.40%. Act only if a listed version of Apple watchOS is installed.
Which versions are affected?
Compare what you have installed with Apple watchOS 0 <26 0 <26. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.40%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Nov 4, 2025 · EUVD
Detected
This issue was addressed with additional entitlement checks. This issue is fixed in iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. An app may be able to fingerprint the user.
Aug 5, 2026 · EUVD
Updated
This issue was addressed with additional entitlement checks. This issue is fixed in iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. An app may be able to fingerprint the user.
Sources
- CVE.orgVulnerability recordCVE-2025-43323
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-43323
30-day exploitation probability 0.40%
first.org - EUVDVulnerability recordEUVD-2025-37696
This issue was addressed with additional entitlement checks. This issue is fixed in iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. An app may be able to fingerprint the user.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 27, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 27, 2026
- CVE.orgOct 23, 2026
- EUVDOct 23, 2026