Is CVE-2026-5708 in the CISA KEV catalog?

No. CVE-2026-5708 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-5708?

CVE-2026-5708 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2026-5708?

CVE-2026-5708 has an EPSS score of 0.84% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-5708?

Upgrade research and engineering studio to 2026.03 or later.

CVE & CISA-KEV Catalog

CVE-2026-5708

HIGH

8.8

CVSS v3

NVD

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.

CWE-915

How to fix

Remediation Available

research and engineering studioNVD

Affected:< 2026.03Fixed in:2026.03CVE-2026-5708derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

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

Exploit Intelligence

0.84%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Exploit1

github.com

Vendor Advisory1

aws.amazon.com

Release Notes1

github.com

Related Vulnerabilities

Other CWE-915 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-4068	Medium	5.4	34%	-	Fix
CVE-2024-5452	Critical	9.8	26%	-	Fix
CVE-2026-30822	High	7.7	13%	-	Fix
CVE-2026-33453	Critical	10.0	6.2%	-	-
CVE-2022-43441	High	8.1	2.4%	-	Fix
CVE-2021-32811	High	7.5	2.3%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-10.