CVE-2023-24856
Published: 14 March 2023
Summary
CVE-2023-24856 is a high-severity Improper Input Validation (CWE-20) vulnerability in Microsoft Windows Server 2012. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 4.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Microsoft PostScript and PCL6 Class Printer Driver is affected by an information disclosure vulnerability tracked as CVE-2023-24856. The flaw carries a CVSS 3.1 base score of 7.5 and is associated with CWE-20, indicating improper input validation that can expose sensitive data over the network.
Remote attackers without authentication or user interaction can exploit the issue to obtain confidential information from affected systems. The attack vector is rated as network-accessible with low complexity, allowing unauthenticated parties to trigger the disclosure condition directly.
Microsoft has published guidance for the vulnerability in its Security Response Center, including details on available updates that address the driver component. The associated EPSS score has remained flat at 0.1816 with no material increase since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-28846
Vulnerability details
Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.
Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.
Directly implements checks on information inputs to reject invalid data before processing.
Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.