CVE Catalog

CVE-2026-70149

HighCVSS 8.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Elevated risk
0.84%

57th percentile - higher than 57% of all known CVEs

Summary

Exposure of sensitive information to an unauthorized actor in the Windows Client Side Caching driver (csc.sys). An authorized attacker can disclose information locally.

Risk Assessment

An attacker with local access could obtain sensitive data from the cache, potentially breaching information confidentiality in the organization.

Recommendation

Install the Windows security updates immediately and consider limiting client-side caching on sensitive devices.

Related vulnerabilities

Original NVD description (English source)

Exposure of sensitive information to an unauthorized actor in Windows Client Side Caching driver (csc.sys) allows an authorized attacker to disclose information locally.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS