CVE-2024-21182

Oracle WebLogic Server exploited vulnerability, confirmed exploited in the wild.

Oracle WebLogic contains an unspecified vulnerability that could allow an unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data.

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74%chance of exploitation in the next 30 days (EPSS), 99th percentile

1 Junadded to CISA's Known Exploited Vulnerabilities list, 2026

4 Junfederal remediation deadline, already passed

Passedpast the deadline: patch now

CISA's name for it	Oracle WebLogic Server Unspecified Vulnerability
Vendor and product	Oracle · WebLogic Server
Type	exploited vulnerability · not stated
Exploited	Confirmed by CISA listed 1 June 2026
Likelihood	one of the most likely to be exploited of every vulnerability tracked
Deadline	4 June 2026 · already passed
Used in ransomware	Not reported
Advisories	www.oracle.com ↗ · nvd.nist.gov ↗

What to do

Three steps, in this order

Step 1

Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited.

Step 2

If you cannot patch now, restrict network access to the affected product.

Step 3

Check for signs of compromise since the date it was added to the list.

CISA's required action	Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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Questions

CVE-2024-21182 in short

Is CVE-2024-21182 being exploited?

Yes. CISA added CVE-2024-21182 to its Known Exploited Vulnerabilities catalogue on 1 June 2026, which it does only on evidence of exploitation in the wild.

What is the CISA deadline for CVE-2024-21182?

US federal agencies must remediate it by 4 June 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.

How likely is CVE-2024-21182 to be exploited in the next 30 days?

FIRST's Exploit Prediction Scoring System gives it 74%, the 99th percentile of every CVE it scores.

How do I fix CVE-2024-21182?

Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited. If you cannot patch now, restrict network access to the affected product. Check for signs of compromise since the date it was added to the list.

Same vendor

Other Oracle vulnerabilities being exploited

CVE	Product	Type	Listed
CVE-2026-21962	HTTP Server and Oracle Weblogic Server Proxy Plug-in	exploited vulnerability	24 August 2026
CVE-2026-46817	E-Business Suite	privilege escalation	15 July 2026
CVE-2026-35273	PeopleSoft Enterprise PeopleTools	authentication bypass	12 June 2026
CVE-2025-61757	Fusion Middleware	authentication bypass	21 November 2025

Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.