HOMEVULNERABILITIESCVE-2026-5065
HIGH

CVE-2026-5065

CWE-798Published: May 27, 2026· Updated: Jun 2, 2026

8.8
CVSS v3.1
EPSS:0.04%probability of exploitation in 30 daysPercentile:11.0th

Official Description

IBM Controller 11.0.1, 11.1.0, 11.1.1, and 11.1.2 contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data.

NVD Source

Technical Analysis

CVE-2026-5065 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

IBM1 product
controller
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

News & Research Mentioning CVE-2026-5065

Microsoft Confirms RoguePlanet Defender Zero-Day, Says Patch is in Development
The Hacker News· Jun 17, 2026

Microsoft has formally disclosed that it's working to release a patch to address a Defender zero-day codenamed RoguePlanet. The vulnerability has now been assigned the CVE identifier CVE-2026-50656 (CVSS score: 7.8), with the tech giant describing it as a privilege escalation flaw. "Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender [xlite_meta score:56 src:The Hacker News xlite_fp:198c20dcc6cd92bbc6074389f4bbc3cdfc7add13ef1737689aef8f4a2f710a7c]

All References (1)

Quick Facts

CVE IDCVE-2026-5065
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-798
CISA KEVNo
EPSS (30d)0.04%
Affected1 vendor
PublishedMay 27, 2026

Related CVEs (CWE-798)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-5065 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.