Integer overflow in Microsoft Windows 10 Version 1507
CVE-2023-21803
Windows iSCSI Discovery Service Remote Code Execution Vulnerability
Vulnerability class: Integer Overflow
EPSS: 0.139 (94.5th 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/E:U/RL:O/RC:C.
Affected products
- 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
- Microsoft Windows 10 Version 21h2 — versions 10.0.19043.0
- Microsoft Windows 10 Version 22h2 — versions 10.0.19045.0
- Microsoft Windows Server 2008 Service Pack 2 — versions 6.0.6003.0
- Microsoft Windows Server 2008 Service Pack 2 (Server Core Installation) — versions 6.0.6003.0
Weakness classification (CWE)
References
- Windows iSCSI Discovery Service Remote Code Execution Vulnerability (vendor-advisory)
Frequently asked questions
- What is CVE-2023-21803?
- CVE-2023-21803 is a critical-severity vulnerability in Microsoft Windows 10 Version 1507, 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.