Is CVE-2023-36803 in the CISA KEV catalog?

No. CVE-2023-36803 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-36803?

CVE-2023-36803 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2023-36803?

CVE-2023-36803 has an EPSS score of 1.00% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-36803?

Install KB5030213 for Windows 10 Version 1607. Fixes are available for 12 affected products.

CVE & CISA-KEV Catalog

CVE-2023-36803

MEDIUM

5.5

CVSS v3

NVD

Description

Windows Kernel Information Disclosure Vulnerability

CWE-126Buffer Over-read CWE-125Out-of-bounds Read

How to fix

Remediation Available

Windows 10 Version 1607Windows

Install:KB5030213Microsoft

Windows 10 Version 1809Windows

Install:KB5030214Microsoft

Windows 10 Version 21H2Windows

Install:KB5030211Microsoft

Windows 10 Version 22H2Windows

Install:KB5030211Microsoft

Windows 11 Version 22H2Windows

Install:KB5030219Microsoft

Windows 11 version 21H2Windows

Install:KB5030217Microsoft

Windows Server 2016Windows

Install:KB5030213Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5030213Microsoft

Windows Server 2019Windows

Install:KB5030214Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5030214Microsoft

Windows Server 2022Windows

Install:KB5030216Microsoft

Install:KB5030325Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5030325Microsoft

Install:KB5030216Microsoft

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

1.00%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Patch1

msrc.microsoft.com

Third-Party Advisory1

packetstormsecurity.com

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Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-01-01.