SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-6592

Unisys Stealth 3.3 Windows endpoints before 3.3.016.1 allow local users to gain access to Stealth-enabled devices by leveraging improper cleanup of memory used for negotiation key storage.

HIGH 7.8EPSS 0.29%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Unisys Stealth 3.3 Windows endpoints before 3.3.016.1 allow local users to gain access to Stealth-enabled devices by leveraging improper cleanup of memory used for negotiation key storage.

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.29% probability · 22th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-404
Affected
unisys/stealth
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 0.29%27 October 202627 October 2026

EPSS 0.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.