CVE-2022-21972
Microsoft Windows 10 1607 … 21h2
Raw vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HSummary
CVE-2022-21972 is a high-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 8.1 (High).
Operationally, ranked in the top 0.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified map to SC-7 (Boundary Protection) and SI-2 (Flaw Remediation) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2022-21972 is a remote code execution vulnerability in the Windows Point-to-Point Tunneling Protocol component. It affects Windows systems that implement this protocol, which is commonly used for VPN connections.
The flaw can be reached over the network by an unauthenticated attacker who needs no user interaction, although the attack complexity is rated high. Successful exploitation can result in full compromise of confidentiality, integrity, and availability on the target system.
Microsoft security advisories for CVE-2022-21972 are available at the referenced MSRC update guide and portal URLs and describe the patches released to address the issue.
The associated EPSS score stands at 0.4856 with an identical peak value, showing no material upward trajectory after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-27127
Vulnerability Data
Windows Point-to-Point Tunneling Protocol Remote Code Execution Vulnerability
- CWE(s)
Related Threats
Likely ATT&CK TechniquesAI
Techniques this vulnerability likely enables, inferred from its description, weakness type, and attributed-actor tradecraft. Confidence is per-technique.
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
Mitigating Controls (NIST 800-53 r5) AI
Directly requires applying the vendor patches Microsoft released to eliminate the unauthenticated RCE flaw in the PPTP component.
Boundary protection devices can block or restrict network traffic to the vulnerable PPTP ports and protocol, stopping remote exploitation before it reaches the host.
Remote-access control policies and procedures govern the use and configuration of VPN protocols such as PPTP, allowing organizations to disable or tightly constrain the affected service.