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Vulnerability Assessment

Weakness
CWE
CWE-416
ASVS 5.0
V15 - Secure Coding and Architecture Memory lifecycle management
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 14, 2026

Local privilege escalation in the Microsoft Windows Graphics Kernel component allows a low-privileged local user to elevate to SYSTEM by exploiting a use-after-free (CWE-416) memory corruption condition. The flaw affects a broad range of Windows 10, Windows 11, and Windows Server releases, was reported by Microsoft, and has a vendor-released patch available. No public exploit is identified at time of analysis and it is not listed in CISA KEV; the high attack complexity (AC:H) makes reliable exploitation non-trivial.

Affected VersionsENISA

Windows 10 Version 21H2 10.0.19044.0 <10.0.19044.7548
Windows Server 2025 (Server Core installation) 10.0.26100.0 <10.0.26100.33158
Windows 11 Version 25H2 10.0.26200.0 <10.0.26100.8875
Windows 11 Version 24H2 10.0.26100.0 <10.0.26100.8875
Windows 10 Version 1607 10.0.14393.0 <10.0.14393.9339
Windows Server 2025 10.0.26100.0 <10.0.26100.33158
Windows Server 2019 (Server Core installation) 10.0.17763.0 <10.0.17763.9020
Windows Server 2019 10.0.17763.0 <10.0.17763.9020
Windows Server 2016 10.0.14393.0 <10.0.14393.9339
Windows 11 version 26H1 10.0.28000.0 <10.0.28000.2525
Windows 10 Version 1809 10.0.17763.0 <10.0.17763.9020
Windows 10 Version 22H2 10.0.19045.0 <10.0.19045.7548
Windows Server 2016 (Server Core installation) 10.0.14393.0 <10.0.14393.9339
Windows Server 2022 10.0.20348.0 <10.0.20348.5386

Affected Packages

microsoft windows_10_version_1607_10_0_14393_9339 fix: Windows 10 Version 1607 for 32-bit Systems 10.0.14393.9339, Windows 10 Version 1607 for x64-based Systems 10.0.14393.9339
microsoft windows_10_version_1809_10_0_17763_9020 fix: Windows 10 Version 1809 for 32-bit Systems 10.0.17763.9020, Windows 10 Version 1809 for x64-based Systems 10.0.17763.9020
microsoft windows_10_version_21h2_10_0_19044_7548 fix: Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.7548, Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.7548, Windows 10 Version 21H2 for x64-based Systems 10.0.19044.7548
microsoft windows_10_version_22h2_10_0_19045_7548 fix: Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.7548, Windows 10 Version 22H2 for ARM64-based Systems 10.0.19045.7548, Windows 10 Version 22H2 for x64-based Systems 10.0.19045.7548
microsoft windows_11_version_24h2_10_0_26100_8875 fix: Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.8875, Windows 11 Version 24H2 for x64-based Systems 10.0.26100.8875
microsoft windows_11_version_25h2_10_0_26100_8875 fix: Windows 11 Version 25H2 for ARM64-based Systems 10.0.26100.8875, Windows 11 Version 25H2 for x64-based Systems 10.0.26100.8875
microsoft windows_11_version_26h1_10_0_28000_2525 fix: Windows 11 Version 26H1 for ARM64-based Systems 10.0.28000.2525, Windows 11 version 26H1 for x64-based Systems 10.0.28000.2525
microsoft windows_server_2016_10_0_14393_9339 fix: Windows Server 2016 10.0.14393.9339, Windows Server 2016 (Server Core installation) 10.0.14393.9339
microsoft windows_server_2019_10_0_17763_9020 fix: Windows Server 2019 10.0.17763.9020, Windows Server 2019 (Server Core installation) 10.0.17763.9020
microsoft windows_server_2022_10_0_20348_5386 fix: Windows Server 2022 10.0.20348.5386
microsoft windows_server_2025_10_0_26100_33158 fix: Windows Server 2025 10.0.26100.33158, Windows Server 2025 (Server Core installation) 10.0.26100.33158
euvd windows_10_version_1607 fix: 10.0.14393.9339
euvd windows_10_version_1809 fix: 10.0.17763.9020
euvd windows_10_version_21h2 fix: 10.0.19044.7548
euvd windows_10_version_22h2 fix: 10.0.19045.7548
euvd windows_11_version_24h2 fix: 10.0.26100.8875
euvd windows_11_version_25h2 fix: 10.0.26100.8875
euvd windows_11_version_26h1 fix: 10.0.28000.2525
euvd windows_server_2016 fix: 10.0.14393.9339
euvd windows_server_2016_server_core_installation fix: 10.0.14393.9339
euvd windows_server_2019 fix: 10.0.17763.9020
euvd windows_server_2019_server_core_installation fix: 10.0.17763.9020
euvd windows_server_2022 fix: 10.0.20348.5386
euvd windows_server_2025 fix: 10.0.26100.33158
euvd windows_server_2025_server_core_installation fix: 10.0.26100.33158

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 25 packages in microsoft, euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

Vendor (microsoft) PRIMARY 7.0 HIGH
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CIRCL (temporal) 6.1 MEDIUM

Primary rating from Vendor (microsoft).

CVSS VectorVendor: microsoft

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

DescriptionCVE.org

Use after free in Graphics Kernel allows an authorized attacker to elevate privileges locally.

Executive ViewAI

Why It Matters

Microsoft Windows Graphics Kernel contains a vulnerability that could enable any internal user with system access to assume administrative privileges, creating a critical risk for unauthorized system-wide access and data compromise. The flaw affects Windows 10, Windows 11, and all supported Windows Server versions, potentially impacting hundreds or thousands of endpoints across your organization. Unpatched systems provide direct pathways for privilege escalation attacks that bypass traditional access controls.

Recommended Action

Within 24 hours, conduct a complete inventory of Windows 10, Windows 11, and Windows Server systems in your environment to establish full scope. Within 7 days, deploy the Microsoft vendor-released patch for Windows Graphics Kernel CVE-2026-50296 across all affected systems using your organization's standard change management process, prioritizing production servers and systems handling sensitive data. Within 30 days, validate patch deployment completion across all identified systems and establish monitoring for exploitation attempts.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.2%
Top 90% exploitable
Vendor Action
See Below
Required. The vulnerability documented by this CVE requires customer action to resolve.
Vendor Status
Publicly Disclosed:No
Exploited:No
Latest Software Release:Exploitation Less Likely
Data Quality
6 sources
Confidence: High
EUVD 🇯🇵JVN NVD CVE.org EPSS Vulnrichment MSRC VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Small
Automatable
No
Human Impact
High
Technical Impact
Total

Priority Score

35
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +35
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Use After Free HIGH

Use-after-free vulnerabilities occur when a program continues to access memory through a pointer after that memory has been deallocated.

Memory Corruption HIGH

Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space.

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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Same weakness CWE-416 – Use After Free

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9.8
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8.8
CVE-2009-4324 HIGH POC
7.8
CVE-2015-0313 CRITICAL POC
9.8
CVE-2015-5122 CRITICAL POC
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CVE-2013-2551 HIGH POC
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Same technique Denial Of Service

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CVE-2011-2462 CRITICAL POC
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CVE-2011-0611 HIGH POC
8.8
CVE-2012-1889 HIGH POC
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CVE-2012-0507 CRITICAL POC
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CVE-2014-1761 HIGH POC
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CVE-2011-0609 HIGH POC
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References

Advisories & patches
PATCH https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50296 ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-50296 ADVISORY https://vuldb.com/vuln/378457

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