CVE-2025-12815

DiscoveredNov 6, 2025UpdatedOct 7, 2026

An ownership verification issue in the Virtual Desktop preview page in the Research and Engineering Studio (RES) on AWS before version 2025.09 may allow an authenticated remote user to view another user's active desktop session metadata, including periodical desktop preview screenshots. To mitigate this issue, users should upgrade to version 2025.09 or above.

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CVSS v3.1

4.3 MEDIUM

EPSS

0.31%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

EPSS Trend

Aug 16, 2026 → Nov 2, 2026

▲ 0.02pp

0.29% → 0.31% over 3 tracked changes

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

ScopeUNCHANGED

ConfidentialityLOW

IntegrityNONE

AvailabilityNONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Connections

2 relationships

CWE-283

source

Timeline

disclosure → media coverage

Nov 6, 2025

aws.amazon.com reports: CVE-2025-12815 - RES web portal may display preview of Virtual Desktops that the user shouldn't have access to

Nov 6, 2025

Disclosure — published as a CVE record. · last revised by NVD Oct 7, 2026