Windows Active Directory Domain Services Remote Code Execution Vulnerability

Source data

Overview

Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.

Impact & technical details

Remote Code Execution

How could an attacker exploit this vulnerability? A domain‑authenticated attacker with access to the NSPI RPC interface can provide crafted inputs that trigger an out‑of‑bounds write in the directory service process, leading to memory corruption/remote code execution.

According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability? Any authenticated attacker could trigger this vulnerability. It does not require admin or other elevated privileges.

How could an attacker exploit the vulnerability? An attacker who successfully exploits this vulnerability could achieve remote code execution without user interaction.

CVSS base score

8.8 / 10

CVSS vector

CVSS:3.1/AV:N/AC:L/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 · 5099538 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5099540 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5099539 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5099536 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5101650 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5101649 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5099535 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5099445 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5099444 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)