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UK Cyber Defence
VulnerabilityModified

CVE-2017-8468

Microsoft Windows 8.1 and Windows RT 8.1, Windows Server 2012 R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an attacker to run processes in an elevated context when the Windows kernel improperly handles objects in memory, aka…

HIGH 7.8EPSS 1.26%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Microsoft Windows 8.1 and Windows RT 8.1, Windows Server 2012 R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an attacker to run processes in an elevated context when the Windows kernel improperly handles objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This CVE ID is unique from CVE-2017-8465.

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
1.26% probability · 70th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-281
Affected
microsoft/windows 10 · microsoft/windows 8.1 · microsoft/windows server 2012 · microsoft/windows server 2016
Source
secure@microsoft.com
EPSS trend
0%3%5%27 October 2026: 1.26%27 October 202627 October 2026

EPSS 1.3% 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.