CVEs / CVE-2024-38217
CVE-2024-38217: Microsoft Windows Mark of the Web (MOTW) Protection Mechanism Failure Vulnerability
- Known exploited in the CISA KEV catalog since 10 Sep 2024
- medium 5.4 CVSS 3.1 (from the CNA)
- EPSS 10% chance of exploitation in the next 30 days, higher than 95% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Windows Mark of the Web (MOTW) contains a protection mechanism failure vulnerability that allows an attacker to bypass MOTW-based defenses. This can result in a limited loss of integrity and availability of security features such as Protected View in Microsoft Office, which rely on MOTW tagging.
Description
Windows Mark of the Web Security Feature Bypass Vulnerability
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 10 Version 1507 | from 10.0.10240.0, before 10.0.10240.20766 | 10.0.10240.20766 |
| Microsoft Windows 10 Version 1607 | from 10.0.14393.0, before 10.0.14393.7336 | 10.0.14393.7336 |
| Microsoft Windows 10 Version 1809 | from 10.0.17763.0, before 10.0.17763.6293 | 10.0.17763.6293 |
| Microsoft Windows 10 Version 21H2 | from 10.0.19043.0, before 10.0.19044.4894 | 10.0.19044.4894 |
| Microsoft Windows 10 Version 22H2 | from 10.0.19045.0, before 10.0.19045.4894 | 10.0.19045.4894 |
| Microsoft Windows 11 version 21H2 | from 10.0.0, before 10.0.22000.3197 | 10.0.22000.3197 |
| Microsoft Windows 11 version 22H2 | from 10.0.22621.0, before 10.0.22621.4169 | 10.0.22621.4169 |
| Microsoft Windows 11 version 22H3 | from 10.0.22631.0, before 10.0.22631.4169 | 10.0.22631.4169 |
| Microsoft Windows 11 Version 23H2 | from 10.0.22631.0, before 10.0.22631.4169 | 10.0.22631.4169 |
| Microsoft Windows 11 Version 24H2 | from 10.0.26100.0, before 10.0.26100.1742 | 10.0.26100.1742 |
| Microsoft Windows Server 2008 Service Pack 2 | from 6.0.6003.0, before 6.0.6003.22870 | 6.0.6003.22870 |
| Microsoft Windows Server 2008 R2 Service Pack 1 | from 6.1.7601.0, before 6.1.7601.27320 | 6.1.7601.27320 |
| Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) | from 6.1.7601.0, before 6.1.7601.27320 | 6.1.7601.27320 |
| Microsoft Windows Server 2008 Service Pack 2 | from 6.0.6003.0, before 6.0.6003.22870 | 6.0.6003.22870 |
| Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) | from 6.0.6003.0, before 6.0.6003.22870 | 6.0.6003.22870 |
| Microsoft Windows Server 2012 | from 6.2.9200.0, before 6.2.9200.25073 | 6.2.9200.25073 |
| Microsoft Windows Server 2012 (Server Core installation) | from 6.2.9200.0, before 6.2.9200.25073 | 6.2.9200.25073 |
| Microsoft Windows Server 2012 R2 | from 6.3.9600.0, before 6.3.9600.22175 | 6.3.9600.22175 |
| Microsoft Windows Server 2012 R2 (Server Core installation) | from 6.3.9600.0, before 6.3.9600.22175 | 6.3.9600.22175 |
| Microsoft Windows Server 2016 | from 10.0.14393.0, before 10.0.14393.7336 | 10.0.14393.7336 |
| Microsoft Windows Server 2016 (Server Core installation) | from 10.0.14393.0, before 10.0.14393.7336 | 10.0.14393.7336 |
| Microsoft Windows Server 2019 | from 10.0.17763.0, before 10.0.17763.6293 | 10.0.17763.6293 |
| Microsoft Windows Server 2019 (Server Core installation) | from 10.0.17763.0, before 10.0.17763.6293 | 10.0.17763.6293 |
| Microsoft Windows Server 2022 | from 10.0.20348.0, before 10.0.20348.2700 | 10.0.20348.2700 |
| Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) | from 10.0.25398.0, before 10.0.25398.1128 | 10.0.25398.1128 |
Exploitation
| In CISA KEV since | 10 Sep 2024 |
|---|---|
| Due date for US federal agencies | 1 Oct 2024 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 5.4 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:LScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-693 |
References
- CVE-2024-38217 on NVD
- CVE-2024-38217 in the CISA KEV catalog
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38217 (cited by CISA)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38217 Patch, Vendor Advisory
- https://www.elastic.co/security-labs/dismantling-smart-app-control Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-38217 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.