No exploitation reportedFix available

CVE-2019-8592

Q: Is CVE-2019-8592 actively exploited?

Active exploitation of CVE-2019-8592 has not been confirmed. Its EPSS score was 1.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-8592?

CVE-2019-8592 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2020-10-27
Fixed in13.0 · 12.3
WeaknessCWE-20 · CWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15, tvOS 12.3, watchOS 5.2.1, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 Sierra, iOS 12.3, iOS 13. Playing a malicious audio file may lead to arbitrary code execution.

Timeline

dates in UTC

2020-10-2720:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-8592?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-8592?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Apple iphone os

Branch	Affected	Fixed in	Source
13.0	≥ 12.3.1, < 13.0	13.0	NVD
12.3	< 12.3	12.3	NVD

Apple mac os x

Branch	Affected	Fixed in	Source
10.x	≥ 10.14.6, < 10.15	10.15	NVD
10.x	≥ 10.12.6, ≤ 10.14.5	no fix published	NVD

Apple tvos

Branch	Affected	Fixed in	Source
13.x	≥ 12.4, < 13	13	NVD
12.3	< 12.3	12.3	NVD

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Apple iphone os to 13.0 · 12.3

Advisories and patches

support.apple.comVendor Advisory
support.apple.comVendor Advisory
support.apple.comVendor Advisory
support.apple.comVendor Advisory
support.apple.comVendor Advisory
support.apple.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.8read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
NVDweakness (CWE)CWE-20, CWE-787read 2026-10-23
FIRST EPSSEPSS score1.3 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2020-10-27
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-8592?

Is CVE-2019-8592 actively exploited?

Active exploitation of CVE-2019-8592 has not been confirmed. Its EPSS score was 1.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-8592?

CVE-2019-8592 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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