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CVE-2006-4393

13
FAUCET Score

CVE-2006-4393 describes an unspecified vulnerability in Apple Mac OS X 10.4 through 10.4.7's LoginWindow, specifically when Fast User Switching is enabled. This flaw allows local users to potentially gain access to Kerberos tickets belonging to other users. The vulnerability has a CVSS score of 3.7, indicating low severity, with an attack vector requiring local access and high attack complexity, leading to partial impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
10.4CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.4:*:*:*:*:*:*:*
10.4.1CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.4.1:*:*:*:*:*:*:*
10.4.2CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.4.2:*:*:*:*:*:*:*
10.4.3CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.4.3:*:*:*:*:*:*:*
10.4.4CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.4.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.7LOW

AV:L/AC:H/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
1.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 23rd percentile among its peer group of 747 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

Remediation records are not available for this CVE.

References

lists.apple.com / archives/security-announce/2006/Sep/msg00002.html
Patch
secunia.com / advisories/22187
PatchVendor Advisory
securitytracker.com / id
Patch
exchange.xforce.ibmcloud.com / vulnerabilities/29290
osvdb.org / 29271
securityfocus.com / bid/20271
Patch
vupen.com / english/advisories/2006/3852