CVE-2022-26783 json
Windows Hyper-V Shared Virtual Hard Disks Information Disclosure Vulnerability
published 2022-04-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-31333
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.8%
- EPSS 2.8% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
Windows Hyper-V Shared Virtual Hard Disks Information Disclosure Vulnerability
Patch / fix
- Microsoft Windows Server 2019 10.0.17763.2803
- Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.2803
- Microsoft Windows Server 2022 10.0.20348.643
- Microsoft Windows Server version 20H2 10.0.19042.1645
- Microsoft Windows Server 2016 10.0.14393.5066
- Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.5066
Exploit prediction
2.80% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 6.8 | AV:N/AC:L/Au:S/C:C/I:N/A:N |
Affected products
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows Server 2022
- Microsoft Windows Server version 20H2
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2022-26783
vendor-advisory
Sources
- CVE List CVE-2022-26783
- NVD CVE-2022-26783
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.