VDB

CVE-2025-26688

CVE-2025-26688 PUBLISHED CVSS 7.8 HIGH

Microsoft Virtual Hard Disk Elevation of Privilege Vulnerability

Reported by microsoft · Published April 8, 2025

Stack-based buffer overflow in Microsoft Virtual Hard Drive allows an authorized attacker to elevate privileges locally.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
Windows 11 version 22H2Microsoft10.0.22621.5189
windows_10_1809microsoft10.0.17763.7136
windows_11_22h2microsoft10.0.22621.5189
windows_11_24H2microsoft10.0.26100.3775
windows_10_21h2microsoft10.0.19044.5737
windows_server_2019microsoft10.0.17763.7136
Windows 10 Version 22H2Microsoft10.0.19045.5737
windows_server_2022_23h2microsoft10.0.25398.1551
Windows Server 2019 (Server Core installation)Microsoft10.0.17763.7136
Windows Server 2016Microsoft10.0.14393.7969
windows_server_2016microsoft10.0.14393.7969
Windows Server 2025 (Server Core installation)Microsoft10.0.26100.3775

25 more packages have a fixed version. See every fix in Lookup.

Risk scores

CVSS 3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected products

VendorProductVersions
MicrosoftWindows 10 Version 150710.0.10240.0
MicrosoftWindows 10 Version 160710.0.14393.0
MicrosoftWindows 10 Version 180910.0.17763.0
MicrosoftWindows 10 Version 21H210.0.19044.0
MicrosoftWindows 10 Version 22H210.0.19045.0
MicrosoftWindows 11 version 22H210.0.22621.0
MicrosoftWindows 11 version 22H310.0.22631.0
MicrosoftWindows 11 Version 23H210.0.22631.0
MicrosoftWindows 11 Version 24H210.0.26100.0
MicrosoftWindows Server 20126.2.9200.0
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0
MicrosoftWindows Server 2012 R26.3.9600.0
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0
MicrosoftWindows Server 201610.0.14393.0
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0
MicrosoftWindows Server 201910.0.17763.0
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0
MicrosoftWindows Server 202210.0.20348.0
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0
MicrosoftWindows Server 202510.0.26100.0

…and 37 more

Timeline

  • Apr 8, 2025 CVE Published
  • Apr 9, 2025 EPSS Score (30 in total, the first dated here)
  • Jun 5, 2025 Coalition ESS Score (14 in total, the first dated here)
  • Mar 17, 2026 Security Advisory (95 in total, the first dated here)
  • Jun 17, 2026 CVE Updated

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2025-26688
vulnetix vdb fixes CVE-2025-26688

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2025-26688/fixes/registry"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

Look up in the Resolve Platform →
$ Lookup Community · 50/day Open Lookup ›