CVE-2025-58720CWE-1240

Windows Cryptographic Services Information Disclosure Vulnerability

High · published October 14, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
10.2
In the wild
Unconfirmed
What it is

⚡ An authorized attacker can exploit a risky cryptographic implementation in Windows Cryptographic Services! This is no small issue! 🔍 Think of it like a bank vault with a faulty lock — it might keep the casual snoopers out, but a determined insider can still find a way to peek inside without triggering any alarms. If an attacker gains local access, they could uncover sensitive information, potentially leading to data leaks or further attacks. This could be devastating for privacy and security, allowing them to exploit the information for malicious purposes or unauthorized access.

Put simply

Think of it like a bank vault with a faulty lock — it might keep the casual snoopers out, but a determined insider can still find a way to peek inside without triggering any alarms. This vulnerability arises from the use of a cryptographic primitive that has been poorly implemented, allowing authorized users to disclose sensitive information that should remain protected.

What to do

If an attacker gains local access, they could uncover sensitive information, potentially leading to data leaks or further attacks. This could be devastating for privacy and security, allowing them to exploit the information for malicious purposes or unauthorized access. To mitigate this risk, ensure your systems are updated to the latest patch from Microsoft, which addresses this vulnerability. Review user permissions and restrict access where possible to limit exposure. Regularly audit your cryptographic practices to ensure they follow best practices. You've got this! By taking these steps, you'll enhance your security posture and keep your systems safe! 🛡️

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00207 · 10.2th percentile
Weakness
CWE-1240 · Use of a Cryptographic Primitive with a Risky Implementation
Published
2025-10-14T17:01Z
EPSS history
Timeline
  • 14 OCT 17:01Z
    Windows Cryptographic Services Information Disclosure Vulnerability
    cvelistv5