CVE-2023-36884

High (7.5) in Microsoft Windows. In CISA KEV since 2023-07-17, with known ransomware use. EPSS 99% chance of exploitation in the next 30 days.

EPSS

99% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)

CISA KEV

listed 2023-07-17, due 2023-08-29, known ransomware use

CWE

CWE-362

Published

2023-07-11

Modified

2026-08-10

Record from

the NVD, synced 2026-10-19

Affected

• microsoft:windows_10_1507
• microsoft:windows_10_1607
• microsoft:windows_10_1809
• microsoft:windows_10_21h2
• microsoft:windows_10_22h2
• microsoft:windows_11_21h2
• microsoft:windows_11_22h2
• microsoft:windows_server_2008
• microsoft:windows_server_2012
• microsoft:windows_server_2016
• microsoft:windows_server_2019
• microsoft:windows_server_2022

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36884
• http://seclists.org/fulldisclosure/2023/Jul/43
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36884
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36884

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