CVE-2026-108471
Affected Microsoft products: Windows Server 2019, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 (Server Core installation), Windows 10 Version 1809 for 32-bit
Published Oct 13, 2026 · corrected/updated Oct 16, 2026 · Microsoft Windows · evidence confidence high
Affected Microsoft products: Windows Server 2019, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 (Server Core installation), Windows 10 Version 1809 for 32-bit Systems.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2026-108471 is a high public vulnerability record for Microsoft Windows. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether Microsoft Windows is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Windows 10 Version 1809 for 32-bit Systems; Windows 10 Version 1809 for x64-based Systems; Windows Server 2019; Windows Server 2019 (Server Core installation). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 8.8, EPSS 0.3%. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-184, CWE-822. Sources contributing to this record: circl, cve_org, epss, msrc. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 13, 2026 · CIRCL Vulnerability Lookup
Detected
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
Oct 14, 2026 · CIRCL Vulnerability Lookup
Updated
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
Oct 15, 2026 · NIST NVD
Updated
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
Oct 16, 2026 · NIST NVD
Updated
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
Affected
- microsoft Windows 10 Version 1809 for 32-bit Systemsversion unspecified
- microsoft Windows 10 Version 1809 for x64-based Systemsversion unspecified
- microsoft Windows Server 2019version unspecified
- microsoft Windows Server 2019 (Server Core installation)version unspecified
- vendor Microsoft Windows 10 Version 1809version unspecified
- vendor Microsoft Windows Server 2019version unspecified
- vendor Microsoft Windows Server 2019 (Server Core installation)version unspecified
Sources
- CIRCL Vulnerability LookupVulnerability recordCVE-2026-108471
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
vulnerability.circl.lu - CVE.orgVulnerability recordCVE-2026-108471
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-108471
30-day exploitation probability 0.3%
first.org - Microsoft Security Update GuideVendor advisoryCVE-2026-108471
Windows Server 2019, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 (Server Core installation), Windows 10 Version 1809 for 32-bit Systems
msrc.microsoft.com - NIST NVDVulnerability recordCVE-2026-108471
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
nvd.nist.gov