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Medium 6.8Published Aug 11, 2026
CVE-2026-62699Windows Universal Disk Format File System Driver (UDFS) Remote Code Execution Vulnerability
Updated under an hour ago ()
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It affects Microsoft Windows 10 Version 1607 and 13 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Null pointer dereference in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to execute code locally.
- CVSS
- 6.8 MEDIUM (v3.1, CNA)CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Weakness (CWE)
- CWE-122, CWE-190
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- microsoft
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft Windows 10 Version 1607 microsoft:windows_10_1607 | from 10.0.14393.0 before 10.0.14393.9418 | CNA record |
Microsoft Windows 10 Version 1809 microsoft:windows_10_1809 | from 10.0.17763.0 before 10.0.17763.9121 | CNA record |
Microsoft Windows 10 Version 21H2 microsoft:windows_10_21h2 | from 10.0.19044.0 before 10.0.19044.7663 | CNA record |
Microsoft Windows 10 Version 22H2 microsoft:windows_10_22h2 | from 10.0.19045.0 before 10.0.19045.7663 | CNA record |
Microsoft Windows 11 version 23H2 microsoft:windows_11_23h2 | from 10.0.22631.0 before 10.0.22631.7517 | CNA record |
Microsoft Windows 11 Version 24H2 microsoft:windows_11_24h2 | from 10.0.26100.0 before 10.0.26100.9168 | CNA record |
Microsoft Windows 11 Version 25H2 microsoft:windows_11_25h2 | from 10.0.26200.0 before 10.0.26200.9168 | CNA record |
Microsoft Windows 11 version 26H1 microsoft:windows_11_26h1 | from 10.0.28000.0 before 10.0.28000.2704 | CNA record |
Microsoft Windows Server 2012 microsoft:windows_server_2012 (from the name) | from 6.2.9200.0 before 6.2.9200.26280 | CNA record |
Microsoft Windows Server 2012 R2 microsoft:windows_server_2012_r2 (from the name) | from 6.3.9600.0 before 6.3.9600.23338 | CNA record |
Microsoft Windows Server 2016 microsoft:windows_server_2016 (from the name) | from 10.0.14393.0 before 10.0.14393.9418 | CNA record |
Microsoft Windows Server 2019 microsoft:windows_server_2019 (from the name) | from 10.0.17763.0 before 10.0.17763.9121 | CNA record |
Microsoft Windows Server 2022 microsoft:windows_server_2022 (from the name) | from 10.0.20348.0 before 10.0.20348.5499 | CNA record |
Microsoft Windows Server 2025 microsoft:windows_server_2025 (from the name) | from 10.0.26100.0 before 10.0.26100.33296 | CNA record |
microsoft windows_10_1607 microsoft:windows_10_1607 | before 10.0.14393.9418; before 10.0.14393.9418 | NVD |
microsoft windows_10_1809 microsoft:windows_10_1809 | before 10.0.17763.9115; before 10.0.17763.9115 | NVD |
microsoft windows_10_21h2 microsoft:windows_10_21h2 | before 10.0.19044.7663; before 10.0.19044.7663; before 10.0.19044.7663 | NVD |
microsoft windows_10_22h2 microsoft:windows_10_22h2 | before 10.0.19045.7663; before 10.0.19045.7663; before 10.0.19045.7663 | NVD |
microsoft windows_11_23h2 microsoft:windows_11_23h2 | before 10.0.22631.7517; before 10.0.22631.7517 | NVD |
microsoft windows_11_24h2 microsoft:windows_11_24h2 | before 10.0.26100.9106; before 10.0.26100.9106 | NVD |
microsoft windows_11_25h2 microsoft:windows_11_25h2 | before 10.0.26200.9106; before 10.0.26200.9106 | NVD |
microsoft windows_11_26h1 microsoft:windows_11_26h1 | before 10.0.28000.2704; before 10.0.28000.2704 | NVD |
microsoft windows_server_2012 microsoft:windows_server_2012 | all versions; r2 | NVD |
microsoft windows_server_2016 microsoft:windows_server_2016 | before 10.0.14393.9418 | NVD |
microsoft windows_server_2019 microsoft:windows_server_2019 | before 10.0.17763.9115 | NVD |
microsoft windows_server_2022 microsoft:windows_server_2022 | before 10.0.20348.5440 | NVD |
microsoft windows_server_2025 microsoft:windows_server_2025 | before 10.0.26100.33222 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62699vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.