Vulnerability · Published Jul 11, 2023 · Assigned by microsoft

CVE-2023-32084HTTP.sys Denial of Service Vulnerability

High 7.5

In plain English

A high-severity null pointer dereference in Windows 10 Version 1809 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.8%top 21.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

HTTP.sys Denial of Service Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.4645
Microsoft Windows 10 Version 1809 10.0.0 – before 10.0.17763.4645
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.4645
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.4645
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.1850
Microsoft Windows 11 version 21H2 10.0.0 – before 10.0.22000.2176
Microsoft Windows 11 version 22H2 10.0.22621.0 – before 10.0.22621.1992

Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

References