CVE-2026-26143

Status: NEW  |  Advisory ID: CVE-2026-26143

Key Details

CVE	CVE-2026-26143
CVSS	CVSS 7.8 (High).
Classified as	CWE-20 (Improper Input Validation)

What to Know

Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.

References

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-26143
Vendor advisory	https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26143