MSRC_CVE-2026-32195
Vulnerability from csaf_microsoft - Published: 2026-04-14 07:00 - Updated: 2026-04-14 07:00Summary
Windows Kernel Elevation of Privilege Vulnerability
Severity
Important
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Customer Action: Required. The vulnerability documented by this CVE requires customer action to resolve.
CWE-121
- Stack-based Buffer Overflow
Vendor Fix
10.0.28000.1836:Security Update:https://support.microsoft.com/help/5083768
https://support.microsoft.com/help/5083768
References
Acknowledgments
<a href="https://linkedin.com/in/jongseongkim">Jongseong Kim (nevul37), SEC-agent team</a>
<a href="https://linkedin.com/in/hwiwonlee">Hwiwon Lee (hwiwonl), SEC-agent team</a>
Gwanhyun Lee
Dongjun Kim
Anonymous
<a href="https://x.com/x0rb1ts">0rb1t</a> with <a href="http://www.0rb1t.top/">None</a>
<a href="https://github.com/qanux">Qanux</a> with None
{
"document": {
"acknowledgments": [
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"names": [
"\u003ca href=\"https://linkedin.com/in/jongseongkim\"\u003eJongseong Kim (nevul37), SEC-agent team\u003c/a\u003e"
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{
"names": [
"\u003ca href=\"https://linkedin.com/in/hwiwonlee\"\u003eHwiwon Lee (hwiwonl), SEC-agent team\u003c/a\u003e"
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{
"names": [
"Gwanhyun Lee"
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{
"names": [
"Dongjun Kim"
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{
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"names": [
"\u003ca href=\"https://x.com/x0rb1ts\"\u003e0rb1t\u003c/a\u003e with \u003ca href=\"http://www.0rb1t.top/\"\u003eNone\u003c/a\u003e"
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"\u003ca href=\"https://github.com/qanux\"\u003eQanux\u003c/a\u003e with None"
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"aggregate_severity": {
"namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
"text": "Important"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Public",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
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"lang": "en-US",
"notes": [
{
"category": "general",
"text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
"title": "Additional Resources"
},
{
"category": "legal_disclaimer",
"text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
"title": "Disclaimer"
},
{
"category": "general",
"text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
"title": "Customer Action"
}
],
"publisher": {
"category": "vendor",
"contact_details": "secure@microsoft.com",
"name": "Microsoft Security Response Center",
"namespace": "https://msrc.microsoft.com"
},
"references": [
{
"category": "self",
"summary": "CVE-2026-32195 Windows Kernel Elevation of Privilege Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32195"
},
{
"category": "self",
"summary": "CVE-2026-32195 Windows Kernel Elevation of Privilege Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-32195.json"
},
{
"category": "external",
"summary": "Microsoft Exploitability Index",
"url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
},
{
"category": "external",
"summary": "Microsoft Support Lifecycle",
"url": "https://support.microsoft.com/lifecycle"
},
{
"category": "external",
"summary": "Common Vulnerability Scoring System",
"url": "https://www.first.org/cvss"
}
],
"title": "Windows Kernel Elevation of Privilege Vulnerability",
"tracking": {
"current_release_date": "2026-04-14T07:00:00.000Z",
"generator": {
"date": "2026-04-14T16:56:51.830Z",
"engine": {
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"version": "1.0"
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},
"id": "msrc_CVE-2026-32195",
"initial_release_date": "2026-04-14T07:00:00.000Z",
"revision_history": [
{
"date": "2026-04-14T07:00:00.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
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],
"status": "final",
"version": "1"
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},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.28000.1836",
"product": {
"name": "Windows 11 Version 26H1 for ARM64-based Systems \u003c10.0.28000.1836",
"product_id": "1"
}
},
{
"category": "product_version",
"name": "10.0.28000.1836",
"product": {
"name": "Windows 11 Version 26H1 for ARM64-based Systems 10.0.28000.1836",
"product_id": "20854"
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}
],
"category": "product_name",
"name": "Windows 11 Version 26H1 for ARM64-based Systems"
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{
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"product_id": "20853"
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}
],
"category": "product_name",
"name": "Windows 11 version 26H1 for x64-based Systems"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-32195",
"cwe": {
"id": "CWE-121",
"name": "Stack-based Buffer Overflow"
},
"notes": [
{
"category": "general",
"text": "Microsoft",
"title": "Assigning CNA"
},
{
"category": "faq",
"text": "Successful exploitation of this vulnerability requires an attacker to win a race condition.",
"title": "According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?"
}
],
"product_status": {
"fixed": [
"20853",
"20854"
],
"known_affected": [
"1",
"2"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2026-32195 Windows Kernel Elevation of Privilege Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32195"
},
{
"category": "self",
"summary": "CVE-2026-32195 Windows Kernel Elevation of Privilege Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-32195.json"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2026-04-14T07:00:00.000Z",
"details": "10.0.28000.1836:Security Update:https://support.microsoft.com/help/5083768",
"product_ids": [
"1",
"2"
],
"url": "https://support.microsoft.com/help/5083768"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "UNPROVEN",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 6.1,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
},
"products": [
"1",
"2"
]
}
],
"threats": [
{
"category": "impact",
"details": "Elevation of Privilege"
},
{
"category": "exploit_status",
"details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
}
],
"title": "Windows Kernel Elevation of Privilege Vulnerability"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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