DirectX Graphics Kernel Denial of Service Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DirectX allows an authorized attacker to deny service over a network.
- Published
- Nov 11, 2025
- Updated
- Jun 17, 2026
- EPSS
- 0.8% · 55th percentile
- CWE
- CWE-362
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Report tools
Action score
25
Monitor
Low priority for now.
- CVSS
- 25 / 40 · 6.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.8%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · microsoft
- 6.3
- NVD has not scored this yet; the score shown is the CNA’s.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| microsoft | windows 10 1809 | cpe:2.3:o:microsoft:windows_10_1809 |
| microsoft | windows 10 21h2 | cpe:2.3:o:microsoft:windows_10_21h2 |
| microsoft | windows 10 22h2 | cpe:2.3:o:microsoft:windows_10_22h2 |
| microsoft | windows 11 23h2 | cpe:2.3:o:microsoft:windows_11_23h2 |
| microsoft | windows 11 24h2 | cpe:2.3:o:microsoft:windows_11_24h2 |
| microsoft | windows 11 25h2 | cpe:2.3:o:microsoft:windows_11_25h2 |
| microsoft | windows server 2019 | cpe:2.3:o:microsoft:windows_server_2019 |
| microsoft | windows server 2022 | cpe:2.3:o:microsoft:windows_server_2022 |
| microsoft | windows server 2022 23h2 | cpe:2.3:o:microsoft:windows_server_2022_23h2 |
| microsoft | windows server 2025 | cpe:2.3:o:microsoft:windows_server_2025 |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- microsoft windows server 2019before 10.0.17763.8027
- microsoft windows server 2022before 10.0.20348.4346
- microsoft windows server 2022 23h2before 10.0.25398.1965
- microsoft windows server 2025before 10.0.26100.7092
Versions reported by the vendor
Affected version ranges reported by the assigning authority (microsoft). Independent of NVD's CPE analysis and usually ahead of it.
Microsoft Windows 10 Version 1809
- 10.0.17763.0 and later · before 10.0.17763.8027affected
Microsoft Windows 10 Version 21H2
- 10.0.19044.0 and later · before 10.0.19044.6575affected
Microsoft Windows 10 Version 22H2
- 10.0.19045.0 and later · before 10.0.19045.6575affected
Microsoft Windows 11 version 22H3
- 10.0.22631.0 and later · before 10.0.22631.6199affected
Microsoft Windows 11 Version 23H2
- 10.0.22631.0 and later · before 10.0.22631.6199affected
Microsoft Windows 11 Version 24H2
- 10.0.26100.0 and later · before 10.0.26100.7171affected
Microsoft Windows 11 Version 25H2
- 10.0.26200.0 and later · before 10.0.26200.7171affected
Microsoft Windows Server 2019
- 10.0.17763.0 and later · before 10.0.17763.8027affected
Microsoft Windows Server 2019 (Server Core installation)
- 10.0.17763.0 and later · before 10.0.17763.8027affected
Microsoft Windows Server 2022
- 10.0.20348.0 and later · before 10.0.20348.4405affected
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
- 10.0.25398.0 and later · before 10.0.25398.1965affected
Microsoft Windows Server 2025
- 10.0.26100.0 and later · before 10.0.26100.7171affected
Same product
microsoft: all recordsOther highest-scoring records for the same primary product.
- CVE-2024-21412Internet Shortcut Files Security Feature Bypass VulnerabilityKEV92Now
- CVE-2021-36934Windows Elevation of Privilege VulnerabilityKEV81Now
- CVE-2024-21338Windows Kernel Elevation of Privilege VulnerabilityKEV79This week
- CVE-2022-21882Win32k Elevation of Privilege VulnerabilityKEV79This week
- CVE-2024-29988SmartScreen Prompt Security Feature Bypass VulnerabilityKEV78This week
- CVE-2022-21971Windows Runtime Remote Code Execution VulnerabilityKEV77This week
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2025-622150 days apartWindows Kernel Elevation of Privilege VulnerabilityKEV60This week
- CVE-2026-50348245 days apartWindows Runtime Elevation of Privilege Vulnerability32Monitor
- CVE-2026-50452245 days apartWindows Runtime Elevation of Privilege Vulnerability32Monitor
- CVE-2026-50460245 days apartWindows Runtime Elevation of Privilege Vulnerability32Monitor
- CVE-2026-66802273 days apartWindows Device Health Attestation (DHA) Remote Code Execution Vulnerability32Monitor
- CVE-2025-5315028 days apartWindows Digital Media Elevation of Privilege Vulnerability31Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- A low-privileged account is enough.
- No user action is required.
- Special conditions such as timing or configuration are required.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
Impact can extend beyond the vulnerable component (scope changes).
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.