CVE-2025-26644
CVE-2025-26644 is a medium-severity vulnerability in Microsoft Windows 10 1809 with a CVSS 3.x base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1039.
Key facts
- Severity: Medium (CVSS 3.x base score 5.1)
- EPSS exploit prediction: 0% (39th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-10237
- Weakness: CWE-1039
- Affected product: Microsoft Windows 10 1809
- Published:
- Last modified:
Description
Automated recognition mechanism with inadequate detection or handling of adversarial input perturbations in Windows Hello allows an unauthorized attacker to perform spoofing locally.
Frequently asked questions
- What is CVE-2025-26644?
- Automated recognition mechanism with inadequate detection or handling of adversarial input perturbations in Windows Hello allows an unauthorized attacker to perform spoofing locally.
- How severe is CVE-2025-26644?
- CVE-2025-26644 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2025-26644 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-26644?
- CVE-2025-26644 primarily affects Microsoft Windows 10 1809. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-26644?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-26644 have an EU (EUVD) identifier?
- Yes. CVE-2025-26644 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10237.
- When was CVE-2025-26644 published?
- CVE-2025-26644 was published on 2025-04-08 and last updated on 2026-06-17.
References
Affected products (9)
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Windows 10 1809
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- CVE-2026-44815 — Critical (CVSS 9.8): Stack-based buffer overflow in Windows DHCP Client allows an unauthorized attacker to execute code over a network.
- CVE-2026-33824 — Critical (CVSS 9.8): Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
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All CVEs affecting Microsoft Windows 10 1809 →
Other CWE-1039 vulnerabilities
- CVE-2025-3578 — Critical (CVSS 9.3): A malicious, authenticated user in Aidex, versions prior to 1.7, could list credentials of other users, create or…
- CVE-2023-20071 — Medium (CVSS 5.8): Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an…