CVE-2026-32218· NVD / CVE Program· CNA microsoft

Windows Kernel Information Disclosure Vulnerability

Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.

MediumCVSS 5.5 · v3.1—No exploit No fix recorded

Info leak

BDU:2026-05419

Noroxi analysis

No Noroxi analysis for this record yet

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Published: Apr 14, 2026
Updated: Sep 25, 2026
EPSS: 0.5% · 40th percentile
CWE: CWE-532

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Report tools

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Action score

Monitor

Low priority for now.

CVSS: 22 / 40 · 5.5 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.5%

CISA SSVC decision

Exploitation: none
Automatable: no
Technical impact: partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD: —
CNA · microsoft: 5.5; NVD has not scored this yet; the score shown is the CNA’s.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/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 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 11 26h1	cpe:2.3:o:microsoft:windows_11_26h1
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 2022before 10.0.20348.5020
microsoft windows server 2022 23h2before 10.0.25398.2274
microsoft windows server 2025before 10.0.26100.32690

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 21H2
- 10.0.19044.0 and later · before 10.0.19044.7184affected
Microsoft Windows 10 Version 22H2
- 10.0.19045.0 and later · before 10.0.19045.7184affected
Microsoft Windows 11 version 22H3
- 10.0.22631.0 and later · before 10.0.22631.6936affected
Microsoft Windows 11 Version 23H2
- 10.0.22631.0 and later · before 10.0.22631.6936affected
Microsoft Windows 11 Version 24H2
- 10.0.26100.0 and later · before 10.0.26100.8246affected
Microsoft Windows 11 Version 25H2
- 10.0.26200.0 and later · before 10.0.26200.8246affected
Microsoft Windows 11 version 26H1
- 10.0.28000.0 and later · before 10.0.28000.1836affected
Microsoft Windows Server 2022
- 10.0.20348.0 and later · before 10.0.20348.5020affected
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
- 10.0.25398.0 and later · before 10.0.25398.2274affected
Microsoft Windows Server 2025
- 10.0.26100.0 and later · before 10.0.26100.32690affected
Microsoft Windows Server 2025 (Server Core installation)
- 10.0.26100.0 and later · before 10.0.26100.32690affected

Same product

microsoft: all records

Other highest-scoring records for the same primary product.

CVE-2025-21333Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege VulnerabilityKEV
64This week
CVE-2025-21335Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege VulnerabilityKEV
61This week
CVE-2025-21334Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege VulnerabilityKEV
61This week
CVE-2023-38186Windows Mobile Device Management Elevation of Privilege Vulnerability
39Monitor
CVE-2026-42904Windows TCP/IP Elevation of Privilege Vulnerability
38Monitor
CVE-2023-38148Internet Connection Sharing (ICS) Remote Code Execution Vulnerability
37Monitor

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.

EPSS, last 120 days

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 researchers

Finders, 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-2026-5031691 days apartWindows Kernel Information Disclosure Vulnerability
22Monitor
CVE-2025-21317455 days apartWindows Kernel Memory Information Disclosure Vulnerability
22Monitor

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).