HOMEVULNERABILITIESCVE-2026-44469
HIGH

CVE-2026-44469

CWE-276Published: May 26, 2026· Updated: May 28, 2026

7.0
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:1.2th

Official Description

The affected product extracts installation files to a temporary directory with incorrect default permissions during administrative installation. A low-privileged local attacker can exploit a TOCTOU race condition with a practical time window to replace verified files with malicious ones before installation, resulting in local privilege escalation.

NVD Source

Technical Analysis

CVE-2026-44469 requires local access, meaning attackers must already have a foothold on the target system.

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 7.0.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

codesys1 product
development system
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

All References (1)

Quick Facts

CVE IDCVE-2026-44469
CVSS Score7.0 / 10
SeverityHIGH
WeaknessCWE-276
CISA KEVNo
EPSS (30d)0.01%
Affected1 vendor
PublishedMay 26, 2026

Related CVEs (CWE-276)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-44469 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.