CVE-2020-1033
CVE-2020-1033 is a medium-severity vulnerability in Microsoft Windows 10 with a CVSS 3.x base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 4.0)
- CVSS v2: 2.1
- EPSS exploit prediction: 1% (63rd percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Windows 10
- Published:
- Last modified:
Description
<p>An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system.</p> <p>An authenticated attacker could exploit this vulnerability by running a specially crafted application.</p> <p>The update addresses the vulnerability by correcting how the Windows kernel handles objects in memory.</p>
Frequently asked questions
- What is CVE-2020-1033?
- <p>An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system.</p> <p>An authenticated attacker could exploit this vulnerability by running a specially crafted application.</p> <p>The update addresses the vulnerability by correcting how the Windows kernel handles objects in memory.</p>
- How severe is CVE-2020-1033?
- CVE-2020-1033 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2020-1033 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-1033?
- CVE-2020-1033 primarily affects Microsoft Windows 10. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-1033?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-1033 published?
- CVE-2020-1033 was published on 2020-09-11 and last updated on 2026-06-17.
References
Affected products (13)
- cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- 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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