8.8High

CVE-2026-108471Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

Microsoft Windows 10 Version 1809; Microsoft Windows Server 2019; Microsoft Windows Server 2019 (Server Core installation) Published: 2026-10-13 22:01 (19 days ago)

Description

Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

Weakness (CWE): CWE-184

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
microsoft	windows 10 1809	10.0.17763.0 – < 10.0.17763.9376
Microsoft	Windows 10 Version 1809	10.0.17763.0 – < 10.0.17763.9376
Microsoft	Windows Server 2019	10.0.17763.0 – < 10.0.17763.9376
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 – < 10.0.17763.9376

References and patches

Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability vendor-advisorypatchPatchVendor Advisory

CPE matches (NVD) (3)

cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* < 10.0.17763.9376
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* < 10.0.17763.9376
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:x64:* < 10.0.17763.9376

CVSS score

8.8High

Source: microsoft · CVSS 3.1

Attack vector: Local
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Changed
Confidentiality: High
Integrity: High
Availability: High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

All scores (2)

cna	CVSS 3.1	8.8High
secure@microsoft.com	CVSS 3.1	8.8High

EPSS (chance of exploitation in 30 days)

0.37%

higher than 31% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: total

Timeline

ID reserved2026-10-09
Published2026-10-13 22:01
Reached IP-DB2026-10-24 23:27
Last updated2026-10-31 21:13

Assigned by (CNA): microsoft
NVD status: Analyzed

View at source: CVE.org · NVD

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