CVE-2019-8773

Name: CVE-2019-8773
Creator: NVD / NIST
Published: 2020-10-27T20:15:19.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.36%

Last modified Jun 17, 2026

CVE-2019-8773 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 Safari 13.0.1, iOS 13.1 and iPadOS 13.1, iCloud for Windows 10.7, iCloud for Windows 7.14, tvOS 13, watchOS 6, iTunes 12.10.1 for Windows. EPSS estimates a 1.36% chance of exploitation in the next 30 days.

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in Safari 13.0.1, iOS 13.1 and iPadOS 13.1, iCloud for Windows 10.7, iCloud for Windows 7.14, tvOS 13, watchOS 6, iTunes 12.10.1 for Windows. 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

1.36%

68.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Apple	Icloud	< 7.14
Apple	Icloud	>= 10.0, < 10.7
Apple	Itunes	< 12.10.1
Apple	Safari	< 13.0.1
Apple	Ipad Os	< 13.1
Apple	Iphone Os	< 13.1
Apple	Tvos	< 13
Apple	Watchos	< 6.0

References

https://support.apple.com/en-us/HT210603Vendor Advisory
https://support.apple.com/en-us/HT210604Vendor Advisory
https://support.apple.com/en-us/HT210605Vendor Advisory
https://support.apple.com/en-us/HT210607Vendor Advisory
https://support.apple.com/en-us/HT210635Vendor Advisory
https://support.apple.com/en-us/HT210636Vendor Advisory
https://support.apple.com/en-us/HT210637Vendor Advisory
https://support.apple.com/en-us/HT210603Vendor Advisory
https://support.apple.com/en-us/HT210604Vendor Advisory
https://support.apple.com/en-us/HT210605Vendor Advisory
https://support.apple.com/en-us/HT210607Vendor Advisory
https://support.apple.com/en-us/HT210635Vendor Advisory
https://support.apple.com/en-us/HT210636Vendor Advisory
https://support.apple.com/en-us/HT210637Vendor Advisory

Timeline

Published: Oct 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-8773?

How severe is CVE-2019-8773?

CVE-2019-8773 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.

How do I fix CVE-2019-8773?

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-2019-8773?

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

Scan your code now

Source: NVD / NIST