CVE-2015-1701

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Summary

CVECVE-2015-1701
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-04-21 10:59:00 UTC
Updated2026-04-22 16:31:09 UTC
DescriptionWin32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Vista SP2, and Server 2008 SP2 allows local users to gain privileges via a crafted application, as exploited in the wild in April 2015, aka "Win32k Elevation of Privilege Vulnerability."

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.562000000 probability, percentile 0.989210000 (date 2026-06-24)

CISA KEV: Listed on 2022-03-03; due 2022-03-24; ransomware use Known

Problem Types: NVD-CWE-noinfo | n/a | CWE-noinfo Not enough information

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1ADPDECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

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

CISA Known Exploited Vulnerability

VendorMicrosoft
ProductWin32k
NameMicrosoft Win32k Privilege Escalation Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2015-1701

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Microsoft Windows 2003 Server - sp2 All All
Operating System Microsoft Windows 2003 Server r2 sp2 All All
Operating System Microsoft Windows 7 - sp1 All All
Operating System Microsoft Windows Server 2008 - sp2 All All
Operating System Microsoft Windows Vista - sp2 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Microsoft Windows CVE-2015-1701 Local Privilege Escalation Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Broken Link, Third Party Advisory, VDB Entry
Microsoft Windows - Local Privilege Escalation (MS15-051) - Windows local Exploit af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Exploit, Third Party Advisory, VDB Entry
Microsoft Windows - ClientCopyImage Win32k (MS15-051) (Metasploit) - Windows local Exploit af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Exploit, Third Party Advisory, VDB Entry
Operation RussianDoll: Adobe & Windows Zero-Day Exploits Likely Leveraged by Russia’s APT28 in Highly-Targeted Attack « Threat Research | FireEye Inc af854a3a-2127-422b-91ae-364da2661108 www.fireeye.com Third Party Advisory
Symantec na Twitterze: "TRENDING: RussianDoll #APT28 campaign found using Flash vuln + Windows #0Day. Update #AdobeFlash to stay protected http://t.co/f1yOkkWCFd …" af854a3a-2127-422b-91ae-364da2661108 twitter.com Press/Media Coverage
Microsoft Windows Unspecified Flaw Lets Local Users Gain Sysytem Privileges - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Broken Link, Third Party Advisory, VDB Entry
Microsoft Security Bulletin MS15-051 - Important | Microsoft Docs af854a3a-2127-422b-91ae-364da2661108 docs.microsoft.com Patch, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov US Government Resource
Full Disclosure: KL-001-2020-002 : Cellebrite Restricted Desktop Escape and Escalation of User Privilege af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory, Broken Link
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Additional Advisory Data

SourceTimeEvent
ADP2022-03-03T00:00:00.000ZCVE-2015-1701 added to CISA KEV
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