CVE-2026-102200
Windows NTFS Tampering Vulnerability
CVE-2026-102200 is a medium vulnerability (CVSS 4.7) in Microsoft Windows 10 Version 1809, published November 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. No source names a fixed version.
- Severity
- 4.7 MediumCVSS 3.1, CVE List
- Exploit chance
- 0.21%EPSS, 11th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Time-of-check time-of-use (toctou) race condition in Windows NTFS allows an authorized attacker to perform tampering locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
Affected products
- microsoft windows 10 version 1809
- microsoft windows 10 version 21h2
- microsoft windows 10 version 22h2
- microsoft windows 11 version 23h2
- microsoft windows 11 version 24h2
- microsoft windows 11 version 25h2
- microsoft windows 11 version 26h1
- microsoft windows 11 version 26h2
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
- microsoft windows server 2022
- microsoft windows server 2025
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What each source reports
CVE List Score used
Windows NTFS Tampering Vulnerability
Time-of-check time-of-use (toctou) race condition in Windows NTFS allows an authorized attacker to perform tampering locally.
- Record
CVE-2026-102200- CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C - Weakness
- CWE-367
- Updated
- 2026-11-10
EUVDEUVD-2026-121567
Time-of-check time-of-use (toctou) race condition in Windows NTFS allows an authorized attacker to perform tampering locally.
- Record
EUVD-2026-121567- CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-10
GitHub AdvisoriesGHSA-mp53-235g-5mgq
Time-of-check time-of-use (toctou) race condition in Windows NTFS allows an authorized attacker...
Time-of-check time-of-use (toctou) race condition in Windows NTFS allows an authorized attacker to perform tampering locally.
- Record
GHSA-mp53-235g-5mgq- CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-367
- Updated
- 2026-11-10
NVD
Time-of-check time-of-use (toctou) race condition in Windows NTFS allows an authorized attacker to perform tampering locally.
- Record
CVE-2026-102200- CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-367
- Updated
- 2026-11-11
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references | GitHub Advisories | |
| cwes, references, severity, title | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.