CVE-2020-1419

CVE-2020-1419 is a medium-severity vulnerability in Microsoft Windows 10 with a CVSS 3.x base score of 5.5. 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-909.

Key facts

• Severity: Medium (CVSS 3.x base score 5.5)
• CVSS v2: 2.1
• EPSS exploit prediction: 1% (67th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-909
• Affected product: Microsoft Windows 10
• Published: 2020-07-14
• Last modified: 2026-06-17

Description

An information disclosure vulnerability exists when the Windows kernel fails to properly initialize a memory address, aka 'Windows Kernel Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2020-1367, CVE-2020-1389, CVE-2020-1426.

Frequently asked questions

What is CVE-2020-1419?

An information disclosure vulnerability exists when the Windows kernel fails to properly initialize a memory address, aka 'Windows Kernel Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2020-1367, CVE-2020-1389, CVE-2020-1426.

How severe is CVE-2020-1419?

CVE-2020-1419 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-1419 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1419?

CVE-2020-1419 primarily affects Microsoft Windows 10. In total, 36 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-1419?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-1419 published?

CVE-2020-1419 was published on 2020-07-14 and last updated on 2026-06-17.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1419

Affected products (36)

• cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:arm64:*
• cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:arm64:*
• cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:arm64:*
• cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:arm64:*
• cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*
• cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:arm64:*
• cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

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