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Ubuntu CVE-2026-96544

MEDIUM
2026-09-29 vendor:ubuntu
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Unknown vector
  2. Exploit
    Unknown vulnerability class
  3. Impact
    Unknown impact

Vulnerability Assessment

Exploitation Conditions

Cannot be determined - the input contains no description, CWE, or CVSS vector identifying the affected feature, protocol, configuration, or deployment mode. Prerequisites and limiting factors (authentication level, user interaction, non-default configuration, platform) are all unknown and must be obtained from the authoritative CVE record and the Ubuntu Security Notice.

Impact

Risk cannot be meaningfully assessed from the provided data. There is no description, no CWE, no CVSS score or vector, no EPSS probability, no KEV listing, no SSVC decision, and no POC signal. The only datum is that the CVE was surfaced via the Ubuntu security tracker (vendor:ubuntu), which typically indicates an open-source package tracked for Ubuntu but does not identify the affected component, attack vector, privilege requirement, or impact. Because no CVSS vector is present, authentication requirements are not confirmed from available data and attack vector/complexity cannot be characterized. Exploitation status: no public exploit identified at time of analysis. Any severity or priority judgment here would be pure guesswork; this entry must be enriched from the authoritative NVD/CVE record and the Ubuntu Security Notice (USN) before it can be triaged. Explicitly: all key risk signals are MISSING.

Exploit ScenarioDerived

No exploit scenario can be constructed because the vulnerability class, affected product, and attack vector are all unknown. No public exploit code has been identified in the provided data. Enrichment from the CVE record and the corresponding Ubuntu Security Notice is required before any scenario can be described.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
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AnalysisAIv1 – Sep 30, 2026

Ubuntu is the only vendor identified for CVE-2026-96544, but the intelligence feed supplies no description, CWE, CVSS score, or CVSS vector, so the affected component, the vulnerable version range, and the resulting impact are all unconfirmed. The identifier comes from a vendor advisory channel (vendor:ubuntu), which indicates the flaw is most likely tracked against one or more Ubuntu source packages rather than a third-party upstream product, but the specific package and release cannot be determined from the data at hand. No public exploit code and no confirmed active exploitation are indicated by the supplied intelligence, and because no CVE record, Ubuntu Security Notice, or patch reference was included, no meaningful severity or risk rating can be assigned until the authoritative record is retrieved.

RemediationAI

No vendor-released patch for CVE-2026-96544 is identified in the supplied data, so no exact fix version can be cited. The first action is retrieval of the authoritative record: query the Ubuntu CVE tracker entry for CVE-2026-96544 and any linked Ubuntu Security Notice, which will name the affected source package, list per-release fixed versions, and indicate whether a fix is still pending for any supported release. Once the package is known, apply the specified version across affected systems using apt-get update followed by apt-get install --only-upgrade for that package, or apt-get upgrade for the full set, and verify with ubuntu-security-status or apt list --upgradable; note that staged partial upgrades leave the vulnerable code in place on hosts where the package upgrade is pinned or held. If the tracker shows no fix for a given release, the only targeted compensating control available is to restrict exposure of the affected service to trusted networks or disable it entirely where it is not required, with the trade-off that functionality is lost and, because the component is currently unknown, that control cannot be scoped precisely; blanket network restriction on Ubuntu hosts is disruptive and should be treated as a temporary measure. In the absence of a confirmed patch, subscribe to the ubuntu-security-announce mailing list and monitor the USN feed for the fix release, and inventory installed packages now so that remediation can be applied immediately once the affected package and version are published.

Affected ProductsAI

Affected product: Ubuntu (vendor attribution only; the specific source package, binary package, and release are not identified in the supplied data). No CPE strings, version ranges, or vendor advisory link were provided, and no upstream product is named in the description or references. Because Ubuntu backports fixes into its own package versions rather than mirroring upstream version numbers, affected-version determination must be made against release-specific package versions listed in the Ubuntu CVE tracker entry and any corresponding Ubuntu Security Notice for CVE-2026-96544, not against upstream release numbers. Until those records are consulted, no definitive statement can be made about which Ubuntu releases (for example an LTS versus interim release) or which architectures are impacted.

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Technical ContextAI · show details

The root-cause class for CVE-2026-96544 is unknown because no CWE is provided, and the underlying technology, library, or protocol cannot be inferred from the description field, which is absent. No CPE strings, CVSS vector, or affected-version data accompany this identifier, and the only signal is the reporting attribution to Ubuntu, meaning the flaw was triaged through Ubuntu's security process and would ordinarily be cross-referenced in the Ubuntu CVE tracker against a specific source package with per-release fix status. Without the CWE, it is impossible to state whether this is memory corruption, an injection flaw, a permission or logic error, or a denial-of-service condition, and without the CVSS vector there is no basis to determine attack vector, privilege requirements, or user-interaction prerequisites. Analysts should treat this entry as an unpopulated stub and resolve it against the authoritative sources: the NVD or MITRE CVE record, the Ubuntu CVE tracker entry for CVE-2026-96544, and any associated Ubuntu Security Notice, which together will supply the package name, affected releases, patch version, and technical mechanism.

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Severity by source

SUSE PRIMARY 6.1 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Red Hat 6.1 MEDIUM

Primary rating from SUSE.

DescriptionCVE.org

[Unknown description]

Threat Intelligence Overview

Data Quality
1 sources
Confidence: Low
CVE.org Vendor

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS N/A
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
openSUSE Tumbleweed Fixed
SUSE Linux Enterprise Desktop 15 SP7 Not-Affected
SUSE Linux Enterprise Module for Package Hub 15 SP7 Not-Affected
SUSE Linux Enterprise Server 15 SP7 Not-Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 Not-Affected

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