CVE-2017-0263

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.100 · 96 %ileexploit · PoCEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 2 exploits · PoC

Likely / severe?

10.0% (96th) EPSS

CVSS 7.2 · high

Is it mine?

25 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-02-10remediate by 2022-08-10

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-22

Microsoft Win32k Privilege Escalation Vulnerability

The kernel-mode drivers in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USprimaryCWE-264US

exploits (2)

Public proof-of-concept and weaponised exploit code.

EDB-44478Microsoft Windows Manager (7 x86) - Menu Management Component UAF Privilege ElevationPoC · exploit_db
R06otMD5/cve-2017-0263-pocpoc for 0263PoC · poc_in_github

affected products (25)

Products and version ranges known to be affected.

Microsoft Corporation Microsoft Windows≤ Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016enisa_euvdEU
Microsoft Corp Windows 10 1511all versionsfstec_bduRU
Microsoft Corp Windows 10 1607all versionsfstec_bduRU
Microsoft Corp Windows 10 1703all versionsfstec_bduRU
Microsoft Corp Windows 10 RTMall versionsfstec_bduRU
Microsoft Corp Windows 7 Service Pack 1all versionsfstec_bduRU
Microsoft Corp Windows 8.1all versionsfstec_bduRU
Microsoft Corp Windows RT 8.1all versionsfstec_bduRU
Microsoft Corp Windows Server 2008 R2 Service Pack 1all versionsfstec_bduRU
Microsoft Corp Windows Server 2008 Service Pack 2all versionsfstec_bduRU
Microsoft Corp Windows Server 2012 Goldall versionsfstec_bduRU
Microsoft Corp Windows Server 2012 RTM R2all versionsfstec_bduRU
Microsoft Corp Windows Server 2016all versionsfstec_bduRU
microsoft windows 10 1507all versionsnvdUScpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*
microsoft windows 10 1511all versionsnvdUScpe:2.3:o:microsoft:windows_10_1511:*:*:*:*:*:*:*:*
microsoft windows 10 1607all versionsnvdUScpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*
microsoft windows 10 1703all versionsnvdUScpe:2.3:o:microsoft:windows_10_1703:*:*:*:*:*:*:*:*
microsoft windows 7all versionsnvdUScpe:2.3:o:microsoft:windows_7:*:*:*:*:*:*:*:*
microsoft windows 8.1all versionsnvdUScpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
microsoft windows rt 8.1all versionsnvdUScpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*

showing 20 of 25

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2017-05-12modified 2026-06-17

related (12,091)

Related entries.

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+12086 more

references (16)

External citations — patches, advisories, analysis.

scry

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