Vulnerability Database

346,350

Total vulnerabilities in the database

Vulnerabilities for products matching "windows_11_21h2"

Found 1 matching product.

You can search for specific versions with /product/windows_11_21h2/1.2.3

microsoft / windows_11_21h2

946 vulnerabilities found
Title Severity Exploit Date Affected Version
High February 14, 2023 2/14/23
< 10.0.22000.1574
Medium February 14, 2023 2/14/23
< 10.0.22000.1574
Medium February 14, 2023 2/14/23
< 10.0.22000.1574
Critical February 14, 2023 2/14/23
< 10.0.22000.1574
High February 14, 2023 2/14/23
< 10.0.22000.1574
Critical February 14, 2023 2/14/23
< 10.0.22000.1574
Critical February 14, 2023 2/14/23
< 10.0.22000.1574
High February 14, 2023 2/14/23
< 10.0.22000.1574
Medium February 14, 2023 2/14/23
< 10.0.22000.1574
High February 14, 2023 2/14/23
< 10.0.22000.1574
High February 14, 2023 2/14/23
< 10.0.22000.1574
High February 14, 2023 2/14/23
< 10.0.22000.1574
High January 10, 2023 1/10/23
< 10.0.22000.1455
High January 10, 2023 1/10/23
< 10.0.22000.1455
Medium December 13, 2022 12/13/22
< 10.0.22000.1335
High November 9, 2022 11/9/22
< 10.0.22000.1219
High November 9, 2022 11/9/22
< 10.0.22000.1219
Medium November 9, 2022 11/9/22
< 10.0.22000.1219
High November 9, 2022 11/9/22
< 10.0.22000.1219
Medium November 9, 2022 11/9/22
< 10.0.22000.1219
High October 11, 2022 10/11/22
< 10.0.22000.1098
High September 13, 2022 9/13/22
< 10.0.22000.978
High August 9, 2022 8/9/22
< 10.0.22000.856
High July 12, 2022 7/12/22
< 10.0.22000.795
High June 1, 2022 6/1/22
< 10.0.22000.739
High May 10, 2022 5/10/22
< 10.0.22000.1817
High May 10, 2022 5/10/22
< 10.0.22000.675
Medium May 10, 2022 5/10/22
< 10.0.22000.675
High April 15, 2022 4/15/22
< 10.0.22000.613
High April 15, 2022 4/15/22
< 10.0.22000.613
High February 9, 2022 2/9/22
< 10.0.22000.493
High February 9, 2022 2/9/22
< 10.0.22000.493
High February 9, 2022 2/9/22
< 10.0.22000.493
High January 11, 2022 1/11/22
< 10.0.22000.434
High January 11, 2022 1/11/22
< 10.0.22000.434
High January 11, 2022 1/11/22
< 10.0.22000.434
High December 15, 2021 12/15/21
< 10.0.22000.376
Medium November 10, 2021 11/10/21
< 10.0.22000.318
High October 13, 2021 10/13/21
< 10.0.22000.258
High October 13, 2021 10/13/21
*
High October 13, 2021 10/13/21
*
High October 13, 2021 10/13/21
*
High October 13, 2021 10/13/21
< 10.0.22000.258
High October 13, 2021 10/13/21
< 10.0.22000.258
High July 2, 2021 7/2/21
< 10.0.22000.318
High July 15, 2019 7/15/19
== 10.0.22000.376

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.