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.
| Package | Ecosystem | Fixed in |
|---|---|---|
| Windows 11 version 22H2 | Microsoft | 10.0.22621.5189 |
| windows_10_1809 | microsoft | 10.0.17763.7136 |
| windows_11_22h2 | microsoft | 10.0.22621.5189 |
| windows_11_24H2 | microsoft | 10.0.26100.3775 |
| windows_10_21h2 | microsoft | 10.0.19044.5737 |
| windows_server_2019 | microsoft | 10.0.17763.7136 |
| Windows 10 Version 22H2 | Microsoft | 10.0.19045.5737 |
| windows_server_2022_23h2 | microsoft | 10.0.25398.1551 |
| Windows Server 2019 (Server Core installation) | Microsoft | 10.0.17763.7136 |
| Windows Server 2016 | Microsoft | 10.0.14393.7969 |
| windows_server_2016 | microsoft | 10.0.14393.7969 |
| Windows Server 2025 (Server Core installation) | Microsoft | 10.0.26100.3775 |
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
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1507 | 10.0.10240.0 |
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 |
| Microsoft | Windows Server 2012 | 6.2.9200.0 |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 |
| Microsoft | Windows Server 2016 | 10.0.14393.0 |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 |
…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
References
- Microsoft Virtual Hard Disk Elevation of Privilege Vulnerability vendor-advisorypatch