What is CVE-2021-38629?

CVE-2021-38629 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Ancillary Function Driver for WinSock Information Disclosure Vulnerability

Which CVE IDs does CVE-2021-38629 cover?

CVE-2021-38629 covers the following CVE IDs: CVE-2021-38629. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-38629?

CVE-2021-38629 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-38629?

CVE-2021-38629 affects 41 products, including: 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 ARM64-based Systems; Windows 10 Version 1809 for x64-based Systems; and others — see the full list on the advisory page.

CVE-2021-38629HighCVSS 6.5

Windows Ancillary Function Driver for WinSock Information Disclosure Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

September 14, 2021

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2021-38629 →

📋 Description

What type of information could be disclosed by this vulnerability? The type of information that could be disclosed if an attacker successfully exploited this vulnerability is uninitialized memory and kernel memory - unintentional read access to memory contents in kernel space from a user mode process.

🎯 Affected products41

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 ARM64-based Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1909 for 32-bit Systems
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 Version 1909 for x64-based Systems
Windows 10 Version 2004 for 32-bit Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows 10 Version 21H1 for 32-bit Systems
Windows 10 Version 21H1 for ARM64-based Systems
Windows 10 Version 21H1 for x64-based Systems
Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems Service Pack 1
Windows 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows RT 8.1
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2012
+11 more not shown

✅ Remediation

KB5005568 (Security Update) — fixed build 10.0.17763.2183 KB5005566 (Security Update) — fixed build 10.0.18363.1801 KB5005565 (Security Update) — fixed build 10.0.19043.1237 KB5005575 (Security Update) — fixed build 10.0.20348.230 KB5005565 (Security Update) — fixed build 10.0.19041.1237 KB5005565 (Security Update) — fixed build 10.0.19042.1237 KB5005569 (Security Update) — fixed build 10.0.10240.19060 KB5005573 (Security Update) — fixed build 10.0.14393.4651 KB5005633 (Monthly Rollup) — fixed build 6.1.7601.25712 KB5005615 (Security Only) — fixed build 6.1.7601.25712 KB5005613 (Monthly Rollup) — fixed build 6.3.9600.20120 KB5005627 (Security Only) — fixed build 6.3.9600.20120 KB5005606 (Monthly Rollup) — fixed build 6.0.6003.21218 KB5005618 (Security Only) — fixed build 6.0.6003.21218 KB5005623 (Monthly Rollup) — fixed build 6.2.9200.23462 KB5005607 (Security Only) — fixed build 6.2.9200.23462

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products41

✅ Remediation

🔗 References (29)