CVE-2023-23403
Published: 14 March 2023
Summary
CVE-2023-23403 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Microsoft Windows Server 2012. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 5.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2023-23403 is a remote code execution vulnerability in the Microsoft PostScript and PCL6 Class Printer Driver, assigned a CVSS 3.1 base score of 8.8 with the vector string AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The weakness is categorized under CWE-122.
An attacker with low privileges can exploit the flaw over a network connection without user interaction to achieve arbitrary code execution, resulting in full impact to confidentiality, integrity, and availability on affected systems.
The Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23403 addresses patches and mitigation steps for the vulnerability. The associated EPSS score has remained flat at a peak and current value of 0.1322.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-27503
Vulnerability details
Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.