Cyber Resilience

CVE-2022-23270

Microsoft Windows 10 1607 … 21h2

High EPSS
Published
10 May 2022
Modified
02 January 2025
Patch / advisory
View advisory
CVSS Score v3.1 8.1
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.70 99.3th percentile
Risk Priority 81 floored blend · peak EPSS

Summary

CVE-2022-23270 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 0.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to CM-7 (Least Functionality) 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-2022-23270 is a remote code execution vulnerability affecting the Point-to-Point Tunneling Protocol (PPTP) implementation in Windows. It carries a CVSS 3.1 score of 8.1 and was publicly disclosed on 10 May 2022.

An unauthenticated attacker can exploit the flaw over the network without user interaction, though successful exploitation requires high attack complexity. Successful attacks grant the adversary full control over confidentiality, integrity, and availability on the target system.

Microsoft security advisories referenced at msrc.microsoft.com and portal.msrc.microsoft.com provide official guidance and patches for the affected Windows versions.

The associated EPSS score rose from lower values to a peak of 0.5110 on 2025-12-11 before receding to the current 0.4839, indicating a clear increase in observed exploitation interest after disclosure.

EU & UK References

Vulnerability Data

Windows Point-to-Point Tunneling Protocol Remote Code Execution Vulnerability

CWE(s)
NVD-CWE-noinfo

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.

T1190 Exploit Public-Facing Application Initial Accessconfidence: HIGH
Unauthenticated remote code execution over the network against a public-facing PPTP service directly matches exploitation of a remote service.
attack.mitre.org →
T1210 Exploitation of Remote Services Lateral Movementconfidence: HIGH
The flaw allows remote exploitation of the PPTP service, enabling lateral movement via exploitation of remote services.
attack.mitre.org →
inferred from description · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2022-21972Same product: Microsoft Windows 10
CVE-2022-37958Same product: Microsoft Windows 10
CVE-2022-34721Same product: Microsoft Windows 10
CVE-2023-21760Same product: Microsoft Windows 10
CVE-2023-21765Same product: Microsoft Windows 10
CVE-2023-21746Same product: Microsoft Windows 10
CVE-2022-26809Same product: Microsoft Windows 10
CVE-2023-21757Same product: Microsoft Windows 10
CVE-2023-21776Same product: Microsoft Windows 10
CVE-2019-0618Same product: Microsoft Windows 10

Affected Assets

microsoft
windows 10
1607, 1809, 1909, 20h2, 21h1
microsoft
windows 11
all versions
microsoft
windows 7
all versions
microsoft
windows 8.1
all versions
microsoft
windows server
2022
microsoft
windows server 2008
r2, sp2
microsoft
windows server 2012
all versions, r2
microsoft
windows server 2016
all versions
microsoft
windows server 2019
all versions

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)
  • SI-2 Flaw Remediation
  • CM-7 Least Functionality
  • SC-7 Boundary Protection
Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)

—

Mitigating Controls (NIST 800-53 r5) AI

SI-2 Flaw Remediation good match
prevent

Directly requires applying the vendor patch that eliminates the PPTP RCE flaw before exploitation can occur.

CM-7 Least Functionality good match
prevent

Enforces disabling or restricting the PPTP service/protocol when not explicitly required, eliminating the attack surface.

SC-7 Boundary Protection partial match
prevent

Boundary-protection rules can block inbound PPTP traffic (TCP 1723 and GRE) from untrusted networks, limiting remote exploit attempts.

References