Microsoft Windows Search Remote Code Execution Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

HIGH

7.5 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

Exploitation Likelihood

EPSS Prediction

93.22 %

Predictive Probability

Percentile Rank

99.8 th

Documented as more likely to be exploited than 99.8% of known CVEs.

Detection Date

Jul 17, 2023

Remediation Due

Aug 29, 2023

CISA Catalog Active

Threat Analysis

Microsoft Windows Search contains an unspecified vulnerability that could allow an attacker to evade Mark of the Web (MOTW) defenses via a specially crafted malicious file, leading to remote code execution.

Remediation Directive

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Asset Context

Vendor Identity

Microsoft

Affected Product

Windows

Ransomware Status

Campaign Use Known

Weakness Classification

CWE-362

External Intelligence

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36884

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2023-36884