CVE-2026-41097
CVE-2026-41097 is a medium-severity vulnerability in Microsoft Windows 10 1809 with a CVSS 3.x base score of 6.7. 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-1329.
Key facts
- Severity: Medium (CVSS 3.x base score 6.7)
- EPSS exploit prediction: 1% (71st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-29685
- Weakness: CWE-1329
- Affected product: Microsoft Windows 10 1809
- Published:
- Last modified:
Description
Reliance on a component that is not updateable in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
Frequently asked questions
- What is CVE-2026-41097?
- Reliance on a component that is not updateable in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
- How severe is CVE-2026-41097?
- CVE-2026-41097 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-41097 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-41097?
- CVE-2026-41097 primarily affects Microsoft Windows 10 1809. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-41097?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-41097 have an EU (EUVD) identifier?
- Yes. CVE-2026-41097 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29685.
- When was CVE-2026-41097 published?
- CVE-2026-41097 was published on 2026-05-12 and last updated on 2026-06-17.
References
Affected products (20)
- 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:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Windows 10 1809
- CVE-2026-57092 — Critical (CVSS 9.9): Use after free in Windows VMSwitch allows an authorized attacker to elevate privileges over a network.
- CVE-2025-49708 — Critical (CVSS 9.9): Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.
- CVE-2026-65791 — Critical (CVSS 9.8): Heap-based buffer overflow in Windows iSCSI Target Service allows an unauthorized attacker to execute code over a…
- CVE-2026-62893 — Critical (CVSS 9.8): Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a network.
- CVE-2026-62878 — Critical (CVSS 9.8): Stack-based buffer overflow in Windows DNS allows an unauthorized attacker to execute code over a network.
- CVE-2026-56190 — Critical (CVSS 9.8): Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a network.
All CVEs affecting Microsoft Windows 10 1809 →
Other CWE-1329 vulnerabilities
- CVE-2022-34381 — Critical (CVSS 9.1): Dell BSAFE SSL-J version 7.0 and all versions prior to 6.5, and Dell BSAFE Crypto-J versions prior to 6.2.6.1 contain…
- CVE-2026-48576 — High (CVSS 7.9): No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
- CVE-2026-48573 — High (CVSS 7.9): No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
- CVE-2021-38398 — Medium (CVSS 6.5): The affected device uses off-the-shelf software components that contain unpatched vulnerabilities. A malicious attacker…
- CVE-2026-21265 — Medium (CVSS 6.4): Windows Secure Boot stores Microsoft certificates in the UEFI KEK and DB. These original certificates are approaching…