CVE-2025-70888

Name: CVE-2025-70888
Creator: NVD / NIST
Published: 2026-03-25T20:16:22.463+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.48%

Last modified Jun 17, 2026

CVE-2025-70888 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to escalate privileges via the osslsigncode.c component. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to escalate privileges via the osslsigncode.c component

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.48%

38.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Osslsigncode Project	Osslsigncode	<= 2.10

References

https://github.com/mtrojnar/osslsigncode/issues/475Issue Tracking, Third Party Advisory
https://github.com/mtrojnar/osslsigncode/pull/477Issue Tracking
https://github.com/ralphje/signify/issues/60Issue Tracking, Third Party Advisory

Timeline

Published: Mar 25, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-70888?

An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to escalate privileges via the osslsigncode.c component

How severe is CVE-2025-70888?

CVE-2025-70888 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2025-70888?

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-2025-70888?

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

Scan your code now

Source: NVD / NIST