CVE-2026-23670

Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.

CVSS 3.1

5.7CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-25)

CWE

CWE-822

Published

2026-04-14

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• microsoft:windows_10_1607
• microsoft:windows_10_1809
• microsoft:windows_10_21h2
• microsoft:windows_10_22h2
• microsoft:windows_11_23h2
• microsoft:windows_11_24h2
• microsoft:windows_11_25h2
• microsoft:windows_11_26h1
• microsoft:windows_server_2016
• microsoft:windows_server_2019
• microsoft:windows_server_2022
• microsoft:windows_server_2022_23h2
• microsoft:windows_server_2025

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23670

Check your stackJSON