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PatchSiren cyber security CVE debrief

CVE-2026-40956 Absolute CVE debrief

CVE-2026-40956 is a memory disclosure vulnerability in Secure Access client versions prior to 14.55. The vulnerability allows attackers with intimate knowledge of and total control over the tunnel protocol to cause a small amount of random memory to leak. This issue has a CVSS score of 2.1, indicating low severity. Users of affected versions should verify their deployments and plan for updates or mitigations.

Vendor
Absolute
Product
Secure Access
CVSS
LOW 2.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-15
Original CVE updated
2026-07-16
Advisory published
2026-07-15
Advisory updated
2026-07-16

Who should care

Users of Secure Access client versions prior to 14.55 should be aware of this vulnerability and take steps to mitigate it. This includes verifying affected product deployments, reviewing official advisories, and planning vendor-supported updates or mitigations through normal change control.

Technical summary

CVE-2026-40956 is a memory disclosure vulnerability in Secure Access client versions prior to 14.55. The vulnerability allows attackers with intimate knowledge of and total control over the tunnel protocol to cause a small amount of random memory to leak. The CVSS score for this vulnerability is 2.1, indicating a low severity. Affected users should review their deployments and plan for updates.

Defensive priority

Low priority, as the vulnerability requires intimate knowledge of and total control over the tunnel protocol.

Recommended defensive actions

  • Inventory and verify Secure Access client versions
  • Apply vendor remediation when available
  • Monitor for potential exploitation attempts
  • Review compensating controls for exposed systems
  • Check relevant monitoring, detection, and logs for exposed assets

Evidence notes

The CVE record was published on 2026-07-15T20:17:00.053Z and was last modified on 2026-07-16T02:55:51.990Z. The NVD entry is currently Analyzed. The vulnerability is a memory disclosure issue in Secure Access client versions prior to 14.55, allowing attackers with intimate knowledge of and total control over the tunnel protocol to cause a small amount of random memory to leak. Evidence is limited to public CVE and NVD information.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-40956 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-40956

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-40956 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-40956

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.