CVE-2026-45636
HIGH EPSS 32.9%
Published Jun 9, 20262w ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
Published Jun 9, 2026 2w ago
Last Modified Jun 17, 2026 1w ago
Description
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
32.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 2
CWE-122
CWE-20 Improper Input Validation Validation
Affected Products 24
| Vendor | Product | Version | Range |
|---|---|---|---|
| microsoft | windows_10_1607 | * | <10.0.14393.9234 |
| microsoft | windows_10_1607 | * | <10.0.14393.9234 |
| microsoft | windows_10_1809 | * | <10.0.17763.8880 |
| microsoft | windows_10_1809 | * | <10.0.17763.8880 |
| microsoft | windows_10_21h2 | * | <10.0.19044.7417 |
| microsoft | windows_10_21h2 | * | <10.0.19044.7417 |
| microsoft | windows_10_21h2 | * | <10.0.19044.7417 |
| microsoft | windows_10_22h2 | * | <10.0.19045.7417 |
| microsoft | windows_10_22h2 | * | <10.0.19045.7417 |
| microsoft | windows_10_22h2 | * | <10.0.19045.7417 |
| microsoft | windows_11_23h2 | * | <10.0.22631.7219 |
| microsoft | windows_11_23h2 | * | <10.0.22631.7219 |
| microsoft | windows_11_24h2 | * | <10.0.26100.8655 |
| microsoft | windows_11_24h2 | * | <10.0.26100.8655 |
| microsoft | windows_11_25h2 | * | <10.0.26200.8655 |
| microsoft | windows_11_25h2 | * | <10.0.26200.8655 |
| microsoft | windows_11_26h1 | * | <10.0.28000.2269 |
| microsoft | windows_11_26h1 | * | <10.0.28000.2269 |
| microsoft | windows_server_2012 | * | any |
| microsoft | windows_server_2012 | r2 | any |
| microsoft | windows_server_2016 | * | <10.0.14393.9234 |
| microsoft | windows_server_2019 | * | <10.0.17763.8880 |
| microsoft | windows_server_2022 | * | <10.0.20348.5256 |
| microsoft | windows_server_2025 | * | <10.0.26100.32995 |
References 1
- msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45636
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.