CVE-2018-8453
Summary
| CVE | CVE-2018-8453 |
|---|---|
| State | PUBLISHED |
| Assigner | microsoft |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2018-10-10 13:29:02 UTC |
| Updated | 2026-08-13 05:17:19 UTC |
| Description | An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. |
Risk And Classification
Primary CVSS: v3.1 7.8 HIGH from [email protected]
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.700420000 probability, percentile 0.993170000 (date 2026-08-13)
CISA KEV: Listed on 2022-01-21; due 2022-07-21; ransomware use Known
Problem Types: NVD-CWE-noinfo | Elevation of Privilege | CWE-noinfo Not enough information
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | ADP | DECLARED | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
CompleteIntegrity
CompleteAvailability
CompleteAV:L/AC:L/Au:N/C:C/I:C/A:C
CISA Known Exploited Vulnerability
| Vendor | Microsoft |
|---|---|
| Product | Win32k |
| Name | Microsoft Win32k Privilege Escalation Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://nvd.nist.gov/vuln/detail/CVE-2018-8453 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Microsoft | Windows 10 1507 | - | All | All | All |
| Operating System | Microsoft | Windows 10 1607 | - | All | All | All |
| Operating System | Microsoft | Windows 10 1703 | - | All | All | All |
| Operating System | Microsoft | Windows 10 1709 | - | All | All | All |
| Operating System | Microsoft | Windows 10 1803 | - | All | All | All |
| Operating System | Microsoft | Windows 10 1809 | - | All | All | All |
| Operating System | Microsoft | Windows 7 | - | sp1 | All | All |
| Operating System | Microsoft | Windows 8.1 | - | All | All | All |
| Operating System | Microsoft | Windows Rt 8.1 | - | All | All | All |
| Operating System | Microsoft | Windows Server 1709 | - | All | All | All |
| Operating System | Microsoft | Windows Server 1803 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2008 | - | sp2 | All | All |
| Operating System | Microsoft | Windows Server 2008 | r2 | sp1 | All | All |
| Operating System | Microsoft | Windows Server 2012 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2012 | r2 | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2019 | - | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Microsoft | Windows 7 | affected 32-bit Systems Service Pack 1 | Not specified |
| CNA | Microsoft | Windows 7 | affected x64-based Systems Service Pack 1 | Not specified |
| CNA | Microsoft | Windows Server 2012 R2 | affected (Server Core installation) | Not specified |
| CNA | Microsoft | Windows RT 8.1 | affected Windows RT 8.1 | Not specified |
| CNA | Microsoft | Windows Server 2008 | affected 32-bit Systems Service Pack 2 | Not specified |
| CNA | Microsoft | Windows Server 2008 | affected 32-bit Systems Service Pack 2 (Server Core installation) | Not specified |
| CNA | Microsoft | Windows Server 2008 | affected Itanium-Based Systems Service Pack 2 | Not specified |
| CNA | Microsoft | Windows Server 2008 | affected x64-based Systems Service Pack 2 | Not specified |
| CNA | Microsoft | Windows Server 2008 | affected x64-based Systems Service Pack 2 (Server Core installation) | Not specified |
| CNA | Microsoft | Windows Server 2019 | affected (Server Core installation) | Not specified |
| CNA | Microsoft | Windows Server 2012 | affected (Server Core installation) | Not specified |
| CNA | Microsoft | Windows 8.1 | affected 32-bit systems | Not specified |
| CNA | Microsoft | Windows 8.1 | affected x64-based systems | Not specified |
| CNA | Microsoft | Windows Server 2016 | affected (Server Core installation) | Not specified |
| CNA | Microsoft | Windows Server 2008 R2 | affected Itanium-Based Systems Service Pack 1 | Not specified |
| CNA | Microsoft | Windows Server 2008 R2 | affected x64-based Systems Service Pack 1 | Not specified |
| CNA | Microsoft | Windows Server 2008 R2 | affected x64-based Systems Service Pack 1 (Server Core installation) | Not specified |
| CNA | Microsoft | Windows 10 | affected 32-bit Systems | Not specified |
| CNA | Microsoft | Windows 10 | affected Version 1607 for 32-bit Systems | Not specified |
| CNA | Microsoft | Windows 10 | affected Version 1607 for x64-based Systems | Not specified |
| CNA | Microsoft | Windows 10 | affected Version 1703 for 32-bit Systems | Not specified |
| CNA | Microsoft | Windows 10 | affected Version 1703 for x64-based Systems | Not specified |
| CNA | Microsoft | Windows 10 | affected Version 1709 for 32-bit Systems | Not specified |
| CNA | Microsoft | Windows 10 | affected Version 1709 for x64-based Systems | Not specified |
| CNA | Microsoft | Windows 10 | affected Version 1803 for 32-bit Systems | Not specified |
| CNA | Microsoft | Windows 10 | affected Version 1803 for x64-based Systems | Not specified |
| CNA | Microsoft | Windows 10 | affected Version 1809 for 32-bit Systems | Not specified |
| CNA | Microsoft | Windows 10 | affected Version 1809 for x64-based Systems | Not specified |
| CNA | Microsoft | Windows 10 | affected x64-based Systems | Not specified |
| CNA | Microsoft | Windows 10 Servers | affected version 1709 (Server Core Installation) | Not specified |
| CNA | Microsoft | Windows 10 Servers | affected version 1803 (Server Core Installation) | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8453 | af854a3a-2127-422b-91ae-364da2661108 | portal.msrc.microsoft.com | Patch, Vendor Advisory |
| Windows Kernel Lets Local Users Gain Elevated Privileges - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Broken Link, Third Party Advisory, VDB Entry |
| www.cisa.gov/known-exploited-vulnerabilities-catalog | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | www.cisa.gov | US Government Resource |
| Microsoft Windows Kernel 'Win32k.sys' CVE-2018-8453 Local Privilege Escalation Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Broken Link, Third Party Advisory, VDB Entry |
| Microsoft Windows NtUserSetWindowFNID Win32k User Callback ≈ Packet Storm | af854a3a-2127-422b-91ae-364da2661108 | packetstormsecurity.com | Exploit, Third Party Advisory, VDB Entry |
| Zero-day exploit (CVE-2018-8453) used in targeted attacks | Securelist | af854a3a-2127-422b-91ae-364da2661108 | securelist.com | Exploit, Technical Description, Third Party Advisory |
| 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 |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| ADP | 2022-01-21T00:00:00.000Z | CVE-2018-8453 added to CISA KEV |
There are currently no legacy QID mappings associated with this CVE.