CVE-2026-0427
📛 CVE Title
CVE-2026-0427
Description
Improper cleanup of shared register resources in GPU firmware could allow an admin-privileged attacker from a Guest Virtual machine (VM) to access these shared resources from another Guest VM, potentially resulting in the loss of confidentiality, integrity, or availability.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- AMD
- CVSS severity
- MEDIUM
- CVSS score
- 4.6 / 10
- CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L- Effective score
- 4.6 / 10 MEDIUM source: CNA overview
- CWE(s)
-
CWE-459 - Reserved
- 2025-12-06
- Published
- 2026-05-15 04:51 UTC
- Last updated
- 2026-05-15 13:33 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/0xxx/CVE-2026-0427.json
- Linked Threat
- CVE-2026-0427 — CVE-2026-0427
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-05-15 03:16:22 UTC
- NVD last modified
- 2026-05-15 14:10:17 UTC
- EPSS score
- 0.0002 (probability of exploitation in next 30 days)
- EPSS percentile
- 4.53% vs all CVEs — higher = more likely to be exploited, as of 2026-05-25
NVD / KEV / EPSS data refreshed 2026-05-25 20:36 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-30501 - Assigner
- AMD
- Published
- May 15, 2026, 2:51:22 AM
- Updated
- May 15, 2026, 11:33:11 AM
- EUVD base score (CVSS 4.0)
-
4.6 / 10
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L - EUVD-reported EPSS
- 0.0200
- Vendors
- AMD
- Products
-
AMD Instinct™ MI325X (patch: GIM 8.2.0.K)AMD Radeon™ PRO V710 (patch: Contact your AMD Customer Engineering representative)AMD Instinct™ MI300X (patch: GIM 8.2.0.K)AMD Instinct™ MI210 (patch: GIM 8.2.0.K)
- Aliases
-
GHSA-j384-fpqm-4mmh
ENISA description: Improper cleanup of shared register resources in GPU firmware could allow an admin-privileged attacker from a Guest Virtual machine (VM) to access these shared resources from another Guest VM, potentially resulting in the loss of confidentiality, integrity, or availability.
EUVD references (1)
Affected products (4)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| AMD | AMD Instinct™ MI210 |
GIM 8.2.0.K (unaffected)
|
— |
| AMD | AMD Instinct™ MI300X |
GIM 8.2.0.K (unaffected)
|
— |
| AMD | AMD Instinct™ MI325X |
GIM 8.2.0.K (unaffected)
|
— |
| AMD | AMD Radeon™ PRO V710 |
Contact your AMD Customer Engineering representative (unaffected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
MITRE references (1) cveawg.mitre.org
Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.
Web references (3)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://nvd.nist.gov/vuln/detail/CVE-2026-0427 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2026-0427 tenable:www.cve.org
- https://www.first.org/epss/ tenable:www.first.org
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
Remediations (16)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blog.qualys.com
With Qualys Policy Audit's out-of-the-box mitigation or Compensatory Controls, which reduce the risk of a vulnerability being exploited because the remediation ( fix / patch ) cannot be done immediately, these security controls are not recommended by any industry standards, such as CIS and DISA-STIG.
2026-05-23 20:51 UTC -
web:cybersecuritynews.com
Microsoft Exchange Server spoofing flaw, is being actively exploited against on-premises systems before a permanent patch is available.
2026-05-23 20:51 UTC -
web:krebsonsecurity.com
Microsoft expects that exploitation is more likely. May's Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws.
2026-05-23 20:51 UTC -
web:oradba.ch
19c 26ai cve oracle-cpu patch -management release-update security Oracle CPU April 2026 : Delayed RUs & First Analysis On April 21, 2026 , Oracle released the Critical Patch Update (CPU) for April 2026 — 481 new security fixes across the entire Oracle product stack. For Oracle Database, this means another round of mandatory patching.
2026-05-23 20:51 UTC -
web:techcommunity.microsoft.com
We wanted to tell you how to address the Exchange Server May 2026 vulnerability CVE - 2026 -42897.
2026-05-23 20:51 UTC -
web:www.bleepingcomputer.com
Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities.
2026-05-23 20:51 UTC -
web:www.forbes.com
Microsoft Exchange users are urged to mitigate a zero-day vulnerability that CISA has confirmed is under active exploitation.
2026-05-23 20:51 UTC -
web:www.notebookcheck.net
Microsoft April 2026 Patch Tuesday fixes 167 vulnerabilities, including an actively exploited SharePoint zero-day. Windows 11 KB5083769 and KB5082052 bring new builds and RDP security.
2026-05-23 20:51 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-05-23 20:51 UTC -
web:www.windowslatest.com
Windows 11 April 2026 update adds Narrator Copilot support, faster Settings, File Explorer fixes, and key security improvements.
2026-05-23 20:51 UTC -
web:cvefeed.io
The following products are affected by CVE-2026-0427 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.
2026-05-26 02:59 UTC -
web:integsec.com
CVE‑2026‑44277 is a critical‑severity vulnerability in Fortinet's FortiAuthenticator identity‑and‑access‑management platform that allows an unauthenticated attacker to execute arbitrary code or commands on the appliance. This single vulnerability can put your corporate identity store, authentication flows, and downstream business systems into an attacker's hands, making it a ...
2026-05-26 02:59 UTC -
web:redmondmag.com
Microsoft this week released one of the largest Patch Tuesday bundles in its history, delivering fixes for 163 new Microsoft CVEs in a month that includes three zero-days and eight Critical-rated ...
2026-05-26 02:59 UTC -
web:winbuzzer.com
Microsoft has fixed 167 vulnerabilities in its April 2026 Patch Tuesday update, including an actively exploited SharePoint Server zero-day and a Defender flaw.
2026-05-26 02:59 UTC -
web:www.bleepingcomputer.com
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered federal agencies to secure FortiClient Enterprise Management Server (EMS) instances against an actively exploited ...
2026-05-26 02:59 UTC -
web:www.securityweek.com
The initial vulnerability was exploited by Russia-linked APT28 in attacks against Ukraine and EU countries. Incomplete patch for a Windows SmartScreen and Windows Shell security prompts bypass created a new bug enabling zero-click attacks, Akamai reports. The initial vulnerability, tracked as CVE ...
2026-05-26 02:59 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-0427.json.
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