CVE-2019-8743

Name: CVE-2019-8743
Creator: NVD / NIST
Published: 2019-12-18T18:15:38.333+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.57%

Last modified Jun 17, 2026

CVE-2019-8743 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in watchOS 6.1. EPSS estimates a 1.57% chance of exploitation in the next 30 days.

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in watchOS 6.1. Processing maliciously crafted web content may lead to arbitrary code execution.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.57%

72.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Apple	Watchos	< 6.1

References

https://security.gentoo.org/glsa/202003-22Third Party Advisory
https://support.apple.com/HT210724Vendor Advisory
https://security.gentoo.org/glsa/202003-22Third Party Advisory
https://support.apple.com/HT210724Vendor Advisory

Timeline

Published: Dec 18, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-8743?

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in watchOS 6.1. Processing maliciously crafted web content may lead to arbitrary code execution.

How severe is CVE-2019-8743?

CVE-2019-8743 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.57% probability of exploitation in the next 30 days.

How do I fix CVE-2019-8743?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-8743?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST