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CVE-2019-8663

28
FAUCET Score

CVE-2019-8663 is a memory leakage vulnerability affecting Apple iOS and macOS, specifically addressed in iOS 12.4 and macOS Mojave 10.14.6. This medium-severity vulnerability (CVSS 5.3) allows a remote attacker to leak memory due to insufficient checks, with a low impact on confidentiality and no impact on integrity or availability. While there is no evidence of active exploitation or Metasploit/Nuclei modules, an ExploitDB entry (EDB-47257) exists detailing an info leak in NSKeyedUnarchiver, though community discussion and media coverage are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
< 12.4CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
< 10.14.6CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
6.69%
Probability of exploitation in next 30 days
EPSS Percentile
93.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-47257 · Aug 15, 2019
This CVE's current EPSS score of 0.0669 is in the 90th percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

support.apple.com / HT210346
Vendor Advisory
support.apple.com / HT210348
Vendor Advisory