Exploited CVEs / By vendor / GNU

GNU vulnerabilities actively exploited

5 GNU CVEs on the CISA Known Exploited Vulnerabilities catalog, newest first. Refreshed daily.

Every CVE below is confirmed exploited in the wild, not just theoretically severe. The newest addition is CVE-2026-24061 (InetUtils, added 2026-01-26). New CISA KEV entries appear here the day they are cataloged; the freshest across all vendors are on exploited this week.

5 exploited CVEs

Ask your own AI about GNU exploited CVEs

Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.

All GNU entries

CVEProductAdded to KEVSignals
CVE-2026-24061InetUtils2026-01-26CVSS 9.8, EPSS 99%
CVE-2014-6278GNU Bash2025-10-02CVSS 8.8, EPSS 100%
CVE-2023-4911GNU C Library2023-11-21CVSS 7.8, EPSS 81%
CVE-2014-6271Bourne-Again Shell (Bash)2022-01-28CVSS 9.8, EPSS 100%
CVE-2014-7169Bourne-Again Shell (Bash)2022-01-28CVSS 9.8, EPSS 100%

Common questions about exploited GNU CVEs

Which GNU vulnerabilities are actively exploited?

As of July 2026, 5 GNU CVEs are on the CISA Known Exploited Vulnerabilities catalog, meaning exploitation in the wild is confirmed.

What is the newest exploited GNU CVE?

CVE-2026-24061, affecting InetUtils, added to the CISA KEV catalog on 2026-01-26. This page refreshes daily, so the newest entry is always first in the table.

How urgent are these GNU CVEs?

KEV listing is the strongest fix-first signal there is: it means confirmed exploitation, not a prediction. Patch these ahead of higher-CVSS issues that nobody is exploiting. Check the vendor advisory (linked below) for fixed versions and workarounds.

Can I ask my own AI about exploited GNU CVEs?

Yes. This page includes a free copy-paste AI prompt carrying the newest GNU KEV entries, with CVSS, EPSS, and ransomware context, into Claude, ChatGPT, or Copilot. The data is refreshed daily.

Authoritative references

CISA Known Exploited Vulnerabilities CatalogNIST National Vulnerability DatabaseFIRST.org EPSS

All vendors, searchable with due dates and CSV export: the exploited-CVE tracker. Every vendor with a page: exploited by vendor.

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Lexicon: the terms on this page
CVE
Common Vulnerabilities and Exposures. A unique ID for one publicly known vulnerability, such as CVE-2025-1234.
KB
Microsoft Knowledge Base article. The identifier for a specific Microsoft update.
KEV
CISA Known Exploited Vulnerabilities. CVEs confirmed exploited in the wild. Fix these first.
CVSS
Common Vulnerability Scoring System. A standardized Severity score from 0 to 10.
EPSS
Exploit Prediction Scoring System. The probability a CVE will be exploited in the next 30 days.
MSRC
Microsoft Security Response Center. Microsoft's Patch Tuesday advisories and KB-to-CVE mapping.
NVD
National Vulnerability Database (NIST). Authoritative CVE metadata and CVSS scores.
Ransomware
The vulnerability is linked to known ransomware activity.
Reference: the Microsoft patching guide, how Intune, Windows Autopatch, Defender, and Azure Update Manager fit together.
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