CVE tracker / CVE-2025-29808

CVE-2025-29808

CVE-2025-29808 is the Windows Cryptographic Services Information Disclosure Vulnerability. Microsoft rates it Important, CVSS 5.5. It is not in CISA's Known Exploited Vulnerabilities catalog. Published April 8, 2025.

Risk summary

MediumInformation Disclosure
5.5
CVSS v3 base
0.5%
EPSS: chance of exploitation in 30 days
Medium
Severity
Important
Microsoft's rating
Less Likely
Microsoft: exploitation
No
In CISA KEV

Microsoft describes it: “Use of a cryptographic primitive with a risky implementation in Windows Cryptographic Services allows an authorized attacker to disclose information locally.”

How to fix it

Microsoft lists 2 affected products and the update that fixes each:

What Microsoft changed

Details

Weakness
CWE-1240: Use of a Cryptographic Primitive with a Risky Implementation
Publicly disclosed (Microsoft)
No
Exploited (Microsoft)
No
Known exploited (CISA KEV)
Not listed
Published
April 8, 2025
Last revised
April 8, 2025

Get told when this changes

Senserva Watch emails Microsoft security and patch alerts when something moves: a new exploitation report, a revised fix, a known issue. Free, one email address.

Join Senserva Watch

References

Microsoft Security Update Guide NVD CVE record CWE

From Microsoft, CISA, NVD and FIRST data; the Microsoft details were read when this page was opened. Check the references above before you act.