SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-8239

An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka "Windows GDI Information Disclosure Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.

MEDIUM 5.5EPSS 57.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 57.4%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka "Windows GDI Information Disclosure Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.

CVSS 3.0
5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
57.44% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-200
Affected
microsoft/windows 10 · microsoft/windows server 1803 · microsoft/windows server 2016
Source
secure@microsoft.com
EPSS trend
0%30%60%21 September 2026: 46.27%22 September 2026: 58.11%27 October 2026: 57.44%21 September 202627 October 2026

EPSS moved from 46.3% on 21 September 2026 to 57.4% on 27 October 2026, peaking at 58.1% on 22 September 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

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