Integer overflow in Microsoft Windows_10
CVE-2023-21803
Windows iSCSI Discovery Service Remote Code Execution Vulnerability
Vulnerability class: Integer Overflow
EPSS: 0.018 (75.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows_10
- Microsoft Windows_10_1607
- Microsoft Windows_10_1809
- Microsoft Windows_10_20h2
- Microsoft Windows_10_21h2
- Microsoft Windows_10_22h2
- Microsoft Windows 10 Version 1507 — versions 10.0.10240.0
- Microsoft Windows 10 Version 1607 — versions 10.0.14393.0
- Microsoft Windows 10 Version 1809 — versions 10.0.17763.0
- Microsoft Windows 10 Version 20h2 — versions 10.0.0
Weakness classification (CWE)
References
- secure@microsoft.com (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-21803?
- CVE-2023-21803 is a critical-severity vulnerability in Microsoft Windows_10, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2023-02-14.
- How severe is CVE-2023-21803?
- Critical severity. CVSS v3 base score is 9.8 out of 10.