What is CVE-2026-41858?

CVE-2026-41858 is a high-severity vulnerability in Cloud Foundry Foundation Windows-utilities-release, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 7.5/10. Published 2026-06-04.

How severe is CVE-2026-41858?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Cloud Foundry Foundation Windows-utilities-release

CVE-2026-41858

Weak Randomness / Insecure Cryptographic Primitive (CWE-338) in Get-RandomPassword in BOSH-Ecosystem / windows-utilities-release allows a network attacker to estimate VM boot time and reconstruct a small candidate list to recover the Admin…

EPSS: 0.000 (9.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Cloud Foundry Foundation Windows-utilities-release — versions 0

Weakness classification (CWE)

CWE-338 — Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

References

security@vmware.com

Frequently asked questions

What is CVE-2026-41858?: CVE-2026-41858 is a high-severity vulnerability in Cloud Foundry Foundation Windows-utilities-release, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 7.5/10. Published 2026-06-04.
How severe is CVE-2026-41858?: High severity. CVSS v3 base score is 7.5 out of 10.