Windows Kernel Elevation of Privilege Vulnerability

Source data

Overview

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

Impact & technical details

Elevation of Privilege

What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to win a race condition.

CVSS base score

7.0 / 10

CVSS vector

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

Highest base score supplied by MSRC for this record; the vector belongs to that score. Ratings can vary by product. Microsoft Important is displayed as High; Moderate is displayed as Medium.

Affected products

• Windows 10 Version 1607 for 32-bit Systems
• Windows 10 Version 1607 for x64-based Systems
• Windows 10 Version 1809 for 32-bit Systems
• Windows 10 Version 1809 for x64-based Systems
• Windows 10 Version 21H2 for 32-bit Systems
• Windows 10 Version 21H2 for ARM64-based Systems
• Windows 10 Version 21H2 for x64-based Systems
• Windows 10 Version 22H2 for 32-bit Systems

Source guidance

Remediation

The source provides update references without a separate remediation summary. Review the applicable update links below.

At least one Microsoft vendor-fix reference is available. Check each affected product for its applicable update, prerequisites, and supported version.

Authoritative sources & updates

Findings and update information come from the linked publishers. GTP compiles the public record and provides the recommendation above. CVSS ratings shown here come from Microsoft. NVD references provide additional public context.

• Microsoft Security Response Center (opens in a new tab)
• Microsoft security update · 5122876 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5122882 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5122878 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5122871 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5124008 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5122880 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5124012 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5123099 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5123065 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5123066 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)