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CVE-2026-70092 Microsoft CVE debrief

Microsoft has released a patch for a vulnerability in the PostScript Printer Driver that could allow an unauthorized attacker to elevate privileges locally. The vulnerability is a heap-based buffer overflow, which can be triggered when a user opens a specially crafted PostScript file. This vulnerability affects systems with the PostScript Printer Driver installed, and system administrators should prioritize patching to prevent potential exploitation. The CVE Program record and NVD vulnerability detail provide information on the vulnerability, including its CVSS score and severity.

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-13
Original CVE updated
2026-10-13
Advisory published
2026-10-13
Advisory updated
2026-10-13

Who should care

System administrators and users who have the PostScript Printer Driver installed on their systems should apply the patch released by Microsoft to fix the vulnerability.

Why it matters

The CVE-2026-70092 vulnerability in the Microsoft PostScript Printer Driver could allow an unauthorized attacker to elevate privileges locally. System administrators and users should apply the patch released by Microsoft to fix the vulnerability and monitor system logs for suspicious activity.

  • An unauthorized attacker could elevate privileges locally, potentially leading to further exploitation.
  • The vulnerability could be used in conjunction with other exploits to gain elevated access to sensitive data or systems.
  • System administrators should prioritize patching vulnerable systems to prevent potential exploitation.
  • Verify that systems are patched and monitor for suspicious activity related to the PostScript Printer Driver.

Technical summary

The vulnerability is a heap-based buffer overflow in the Microsoft PostScript Printer Driver. An unauthorized attacker could exploit this vulnerability to elevate privileges locally by opening a specially crafted PostScript file. The vulnerability has a CVSS score of 7.8 and is considered HIGH severity. Microsoft has released a patch for the vulnerability, and system administrators should apply it to fix the vulnerability and monitor system logs for suspicious activity related to the PostScript Printer Driver.

Defensive priority

High

Recommended defensive actions

  • Apply the patch released by Microsoft to fix the vulnerability.
  • Restrict access to PostScript files to only trusted users.
  • Monitor system logs for suspicious activity related to the PostScript Printer Driver.

Evidence notes

The CVE Program record and NVD vulnerability detail provide information on the vulnerability, including its CVSS score and severity. Microsoft has released a patch for the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-70092 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-70092

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-70092 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-70092

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.