Exploited CVEs / By vendor / Red Hat

Red Hat vulnerabilities actively exploited

7 Red Hat 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-2018-14667 (JBoss RichFaces Framework, added 2023-09-28). 3 of the 7 are used in ransomware campaigns. New CISA KEV entries appear here the day they are cataloged; the freshest across all vendors are on exploited this week.

7 exploited CVEs3 ransomware-linked

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

All Red Hat entries

CVEProductAdded to KEVSignals
CVE-2018-14667JBoss RichFaces Framework2023-09-28CVSS 9.8, EPSS 74%
CVE-2021-3560Polkit2023-05-12CVSS 7.8, EPSS 22%
CVE-2021-4034Polkit2022-06-27CVSS 7.8, EPSS 95%
CVE-2010-0738JBoss2022-05-25ransomware, CVSS 5.3, EPSS 79%
CVE-2010-1428JBoss2022-05-25ransomware, CVSS 7.5, EPSS 62%
CVE-2010-1871JBoss Seam 22021-12-10CVSS 8.8, EPSS 83%
CVE-2017-12149JBoss Application Server2021-12-10ransomware, CVSS 9.8, EPSS 91%

Common questions about exploited Red Hat CVEs

Which Red Hat vulnerabilities are actively exploited?

As of July 2026, 7 Red Hat CVEs are on the CISA Known Exploited Vulnerabilities catalog, meaning exploitation in the wild is confirmed. 3 are linked to ransomware campaigns.

What is the newest exploited Red Hat CVE?

CVE-2018-14667, affecting JBoss RichFaces Framework, added to the CISA KEV catalog on 2023-09-28. This page refreshes daily, so the newest entry is always first in the table.

How urgent are these Red Hat 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 Red Hat CVEs?

Yes. This page includes a free copy-paste AI prompt carrying the newest Red Hat 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.
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