CVE-2019-8743
CVE-2019-8743 is a high-severity vulnerability in Apple Watchos with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 2% (72nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Apple Watchos
- Published:
- Last modified:
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.
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 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-8743 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-8743?
- CVE-2019-8743 affects Apple Watchos. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-8743?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-8743 published?
- CVE-2019-8743 was published on 2019-12-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
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