CVE-2023-41765

24

FAUCET Score

CVE-2023-41765 is a remote code execution vulnerability affecting Microsoft's Layer 2 Tunneling Protocol (L2TP). This high-severity flaw (CVSS 8.1) allows unauthenticated attackers to execute arbitrary code remotely with high impact on confidentiality, integrity, and availability, though it requires high attack complexity. There is no evidence of active exploitation, nor are public exploit codes (Metasploit, Nuclei, ExploitDB) available. Despite this, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 10.0.10240.20232CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1507::::::::
		< 10.0.14393.6351CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1607::::::::
		< 10.0.17763.4974CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1809::::::::
		< 10.0.19041.3570CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_21h2::::::::
		< 10.0.19045.3570CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_22h2::::::::

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

2.2

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

1.26%

Probability of exploitation in next 30 days

EPSS Percentile

66.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0126 is in the 27th percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (34)

microsoftpatch availablevia nvd_reference

microsoftpatch availablevia msrc

Product: Windows 10 Version 1809 for 32-bit SystemsFixed in: 10.0.17763.4974

microsoftpatch availablevia msrc

Product: Windows 10 Version 1809 for x64-based SystemsFixed in: 10.0.17763.4974

microsoftpatch availablevia msrc

Product: Windows 10 Version 1809 for ARM64-based SystemsFixed in: 10.0.17763.4974

microsoftpatch availablevia msrc

Product: Windows Server 2019Fixed in: 10.0.17763.4974

microsoftpatch availablevia msrc

Product: Windows Server 2019 (Server Core installation)Fixed in: 10.0.17763.4974

microsoftpatch availablevia msrc

Product: Windows Server 2022Fixed in: 10.0.20348.2031

microsoftpatch availablevia msrc

Product: Windows Server 2022 (Server Core installation)Fixed in: 10.0.20348.2031

microsoftpatch availablevia msrc

Product: Windows 11 version 21H2 for x64-based SystemsFixed in: 10.0.22000.2538

microsoftpatch availablevia msrc

Product: Windows 11 version 21H2 for ARM64-based SystemsFixed in: 10.0.22000.2538

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for 32-bit SystemsFixed in: 10.0.19041.3570

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for ARM64-based SystemsFixed in: 10.0.19041.3570

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for x64-based SystemsFixed in: 10.0.19041.3570

microsoftpatch availablevia msrc

Product: Windows 11 Version 22H2 for ARM64-based SystemsFixed in: 10.0.22621.2428

microsoftpatch availablevia msrc

Product: Windows 11 Version 22H2 for x64-based SystemsFixed in: 10.0.22621.2428

microsoftpatch availablevia msrc

Product: Windows 10 Version 22H2 for x64-based SystemsFixed in: 10.0.19045.3570

microsoftpatch availablevia msrc

Product: Windows 10 Version 22H2 for ARM64-based SystemsFixed in: 10.0.19045.3570

microsoftpatch availablevia msrc

Product: Windows 10 Version 22H2 for 32-bit SystemsFixed in: 10.0.19045.3570

microsoftpatch availablevia msrc

Product: Windows 10 for 32-bit SystemsFixed in: 10.0.10240.20232

microsoftpatch availablevia msrc

Product: Windows 10 for x64-based SystemsFixed in: 10.0.10240.20232

microsoftpatch availablevia msrc

Product: Windows 10 Version 1607 for 32-bit SystemsFixed in: 10.0.14393.6351

microsoftpatch availablevia msrc

Product: Windows 10 Version 1607 for x64-based SystemsFixed in: 10.0.14393.6351

microsoftpatch availablevia msrc

Product: Windows Server 2016Fixed in: 10.0.14393.6351

microsoftpatch availablevia msrc

Product: Windows Server 2016 (Server Core installation)Fixed in: 10.0.14393.6351

microsoftpatch availablevia msrc

Product: Windows Server 2008 for 32-bit Systems Service Pack 2Fixed in: 6.0.6003.22317

microsoftpatch availablevia msrc

Product: Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)Fixed in: 6.0.6003.22317

microsoftpatch availablevia msrc

Product: Windows Server 2008 for x64-based Systems Service Pack 2Fixed in: 6.0.6003.22317

microsoftpatch availablevia msrc

Product: Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)Fixed in: 6.0.6003.22317

microsoftpatch availablevia msrc

Product: Windows Server 2008 R2 for x64-based Systems Service Pack 1Fixed in: 6.1.7601.26769

microsoftpatch availablevia msrc

Product: Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)Fixed in: 6.1.7601.26769

microsoftpatch availablevia msrc

Product: Windows Server 2012Fixed in: 6.2.9200.24523

microsoftpatch availablevia msrc

Product: Windows Server 2012 (Server Core installation)Fixed in: 6.2.9200.24523

microsoftpatch availablevia msrc

Product: Windows Server 2012 R2Fixed in: 6.3.9600.21620

microsoftpatch availablevia msrc

Product: Windows Server 2012 R2 (Server Core installation)Fixed in: 6.3.9600.21620

Vendor Advisories (1)

microsoft2023-Oct/CVE-2023-41765Critical

Layer 2 Tunneling Protocol Remote Code Execution Vulnerability

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2023-41765

PatchVendor Advisory