Vulnerability · Published Feb 14, 2023 · Assigned by microsoft
CVE-2023-21687HTTP.sys Information Disclosure Vulnerability
Medium 5.5
In plain English
A medium-severity out-of-bounds read in Windows 11 version 21H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.5%top 59.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
HTTP.sys Information Disclosure Vulnerability
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 version 21H2 | 10.0.0 – before 10.0.22621.1574 |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 – before 10.0.22621.1265 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – before 10.0.20348.1547 |
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
References
- HTTP.sys Information Disclosure Vulnerability vendor-advisory, patch