CVE-2025-48809

MEDIUMCVSS 5.5/10EPSS 0.43%

Last modified

CVE-2025-48809 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Processor optimization removal or modification of security-critical code in Windows Kernel allows an authorized attacker to disclose information locally.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

Processor optimization removal or modification of security-critical code in Windows Kernel allows an authorized attacker to disclose information locally.

Metrics

CVSS 3.1
5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
0.43%

34.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 11 24h2< 10.0.26100.4652
MicrosoftWindows Server 2025< 10.0.26100.4652

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-48809?
Processor optimization removal or modification of security-critical code in Windows Kernel allows an authorized attacker to disclose information locally.
How severe is CVE-2025-48809?
CVE-2025-48809 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.
How do I fix CVE-2025-48809?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-48809?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST