CVE-2021-1704 | BDVDB-2026-147356 Detail

MicrosoftWindows Server version 20H2

Description#

Windows Hyper-V Elevation of Privilege Vulnerability

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

No weakness recorded in the source data.

No public exploit known

7.3 High

1.0%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 63.8.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

7.3 High

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

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).