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CVE-2026-5708

Amazon Research And Engineering Studio privilege escalation

8.8 HIGHPublic exploitEPSS 0.74%
  1. Published6 Apr 2026

Description

Unsanitized control of user-modifiable attributes in the session creation component in AWS Research and Engineering Studio (RES) prior to version 2026.03 could allow an authenticated remote user to escalate privileges, assume the virtual desktop host instance profile permissions, and interact with AWS resources and services via a crafted API request. To remediate this issue, users are advised to upgrade to RES version 2026.03 or apply the corresponding mitigation patch to their existing environment.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Amazon Research And Engineering Studio< 2026.03

Remediation

Fixed in
Amazon Research And Engineering Studio≥ 2026.03

Frequently asked

Is CVE-2026-5708 being actively exploited?

CVE-2026-5708 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.74%.

How severe is CVE-2026-5708?

CVE-2026-5708 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.74% probability of exploitation.

Which products are affected by CVE-2026-5708?

Affected products include Amazon Research And Engineering Studio.

How do I fix CVE-2026-5708?

Upgrade affected software to a fixed version, for example Amazon Research And Engineering Studio 2026.03 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-5708 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.