CVE-2023-21712: Windows Point-to-Point Tunneling Protocol Remote Code Execution Vulnerability

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-04-27 · updated 2026-06-17
Weakness: CWE-362

Description

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

Affected products

Microsoft Windows 10 Version 1607: before 10.0.10240.19562 — fixed in 10.0.10240.19562
Microsoft Windows 10 1607: before 10.0.14393.5501 — fixed in 10.0.14393.5501
Microsoft Windows 10: before 10.0.17763.3650 — fixed in 10.0.17763.3650
Microsoft Windows 10 20H2: before 10.0.19042.2251 — fixed in 10.0.19042.2251
Microsoft Windows 10 21H1: before 10.0.19043.2251 — fixed in 10.0.19043.2251
Microsoft Windows 10: before 10.0.19044.2251 — fixed in 10.0.19044.2251
Microsoft Windows 10: before 10.0.19045.2486 — fixed in 10.0.19045.2486
Microsoft Windows 11 21H2: before 10.0.22000.1219 — fixed in 10.0.22000.1219
Microsoft Windows 11: before 10.0.22000.819 — fixed in 10.0.22000.819
Microsoft Windows 8.1: all versions
Microsoft Windows RT 8.1: all versions
Microsoft Windows Server 2012: r2
Microsoft Windows Server 2016: all versions
Microsoft Windows Server 2019: all versions
Microsoft Windows Server 2022: all versions
Microsoft Windows 10 Version 1507: from 10.0.10240.0 before 10.0.10240.19562 — fixed in 10.0.10240.19562
Microsoft Windows 10 1607: from 10.0.14393.0 before 10.0.14393.5501 — fixed in 10.0.14393.5501
Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.3650 — fixed in 10.0.17763.3650
Microsoft Windows 10 20H2: from 10.0.0 before 10.0.19042.2251 — fixed in 10.0.19042.2251
Microsoft Windows 10 21H1: from 10.0.0 before 10.0.19043.2251 — fixed in 10.0.19043.2251
Microsoft Windows 10: from 10.0.19043.0 before 10.0.19044.2251 — fixed in 10.0.19044.2251
Microsoft Windows 10: from 10.0.19045.0 before 10.0.19045.2486 — fixed in 10.0.19045.2486
Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.1219 — fixed in 10.0.22000.1219
Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.819 — fixed in 10.0.22621.819
Microsoft Windows 8.1: from 6.3.0 before 6.3.9600.20671 — fixed in 6.3.9600.20671
Microsoft Windows Server 2012: from 6.2.9200.0 before 6.2.9200.23968 — fixed in 6.2.9200.23968
Microsoft Windows Server 2012 R2: from 6.3.9600.0 before 6.3.9600.20671 — fixed in 6.3.9600.20671
Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.5501 — fixed in 10.0.14393.5501
Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.3650 — fixed in 10.0.17763.3650
Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.1249 — fixed in 10.0.20348.1249

How to fix

Upgrade to a fixed version: Microsoft Windows 10 Version 1607 10.0.10240.19562; Microsoft Windows 10 1607 10.0.14393.5501; Microsoft Windows 10 10.0.17763.3650; Microsoft Windows 10 20H2 10.0.19042.2251; Microsoft Windows 10 21H1 10.0.19043.2251; Microsoft Windows 10 10.0.19044.2251; Microsoft Windows 10 10.0.19045.2486; Microsoft Windows 11 21H2 10.0.22000.1219; Microsoft Windows 11 10.0.22000.819; Microsoft Windows 10 Version 1507 10.0.10240.19562; Microsoft Windows 10 1607 10.0.14393.5501; Microsoft Windows 10 10.0.17763.3650. Check the vendor advisory for mitigations.

References

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