Windows Hyper-V Information Disclosure Vulnerability

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.

1. Oct 13, 2026 · CIRCL Vulnerability Lookup

   Detected

   Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to disclose information over a network.

2. Oct 15, 2026 · CIRCL Vulnerability Lookup

   Updated

   Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to disclose information over a network.

Affected

• vendor Microsoft Windows 10 Version 1809version unspecified
• vendor Microsoft Windows 10 Version 21H2version unspecified
• vendor Microsoft Windows 10 Version 22H2version unspecified
• vendor Microsoft Windows 11 Version 23H2version unspecified
• vendor Microsoft Windows 11 Version 24H2version unspecified
• vendor Microsoft Windows 11 Version 25H2version unspecified
• vendor Microsoft Windows 11 version 23H2version unspecified
• vendor Microsoft Windows 11 version 26H1version unspecified

Sources

• CIRCL Vulnerability LookupVulnerability recordCVE-2026-97813

  Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to disclose information over a network.

  vulnerability.circl.lu
• CVE.orgVulnerability recordCVE-2026-97813

  Official CVE identifier

  cve.org

References

• Windows Hyper-V Information Disclosure Vulnerability · msrc.microsoft.com