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CVE-2026-13465

📛 CVE Title

EL3 Stack Buffer Overflow in FCS HKDF Request

Description

Stack-based buffer overflow vulnerability in Altera Trusted Firmware on HPS allows Exploitation of Improperly Configured or Implemented Memory Protections. This issue affects Trusted Firmware: through socfpga_v2.14.0.

Overview

State
PUBLISHED
Assigner (CNA)
Altera
CVSS severity
HIGH
CVSS score
CVSS 8.3 / 10 8.3 8.3 / 10
CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H
Effective score
8.3 / 10 HIGH source: CNA overview
CWE(s)
CWE-121
Reserved
2026-06-26
Published
2026-09-24 14:51 UTC
Last updated
2026-09-24 14:59 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/13xxx/CVE-2026-13465.json
Linked Threat
CVE-2026-13465 — EL3 Stack Buffer Overflow in FCS HKDF Request

NVD / KEV / EPSS data refreshed 2026-09-25 04:39 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-2026-85922
Assigner
Altera
Published
Sep 24, 2026, 2:51:01 PM
Updated
Sep 24, 2026, 2:59:29 PM
EUVD base score (CVSS 4.0)
8.3 / 10
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H
EUVD-reported EPSS
0.0000
Vendors
Altera
Products
Trusted Firmware (0 ≤socfpga_v2.14.0)
Aliases
GHSA-cph2-7c5g-g7pg

ENISA description: Stack-based buffer overflow vulnerability in Altera Trusted Firmware on HPS allows Exploitation of Improperly Configured or Implemented Memory Protections. This issue affects Trusted Firmware: through socfpga_v2.14.0.

EUVD references (1)

Affected products (1)

VendorProductVersionsPlatforms
Altera Trusted Firmware 0 (affected) ARM

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

Remediations (10)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

  • web:arcticwolf.com

    Validate Group Policy and registry settings for Defender to ensure real-time protection, automatic remediation , and exclusion policies are secured. Temporary Workarounds Block Vulnerable Apps: Use Microsoft Defender Vulnerability Management to block or warn against execution of affected binaries for systems pending a patch .

    2026-09-25 10:12 UTC
  • web:cybersecuritynews.com

    Microsoft released its March 2026 Patch Tuesday security update on March 10, 2026 , addressing 78 vulnerabilities across Windows, Microsoft Office, Azure, SQL Server, and .NET. The update includes one actively exploited zero-day vulnerability and multiple Critical-rated flaws demanding immediate attention from security teams. The most urgent fix this month is CVE - 2026 -21262, the sole zero-day ...

    2026-09-25 10:12 UTC
  • web:msrc.microsoft.com

    The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.

    2026-09-25 10:12 UTC
  • web:patchmypc.com

    You can find the production release history below for 2026 .

    2026-09-25 10:12 UTC
  • web:support.microsoft.com

    This Hotpatch update for Windows 11, version 25H2 and 24H2 (KB5079420), improves functionality, performance, and reliability. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information on Windows update terminology, see the different types of ...

    2026-09-25 10:12 UTC
  • web:support.sap.com

    SAP security Patch Day Bulletin This post shares the information on security notes that remediate vulnerabilities discovered in SAP products. SAP strongly recommends that the customer visits the support portal and applies patches on priority to protect their SAP landscape. On 9th of June 2026 , SAP security patch day saw the release of 15 new security notes.

    2026-09-25 10:12 UTC
  • web:www.crowdstrike.com

    Microsoft patches 206 vulnerabilities in June 2026 Patch Tuesday, including three publicly disclosed zero-days.

    2026-09-25 10:12 UTC
  • web:www.crowdstrike.com

    Microsoft's March 2026 Patch Tuesday addresses 82 CVEs , featuring eight Critical vulnerabilities.

    2026-09-25 10:12 UTC
  • web:www.oracle.com

    This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.

    2026-09-25 10:12 UTC
  • web:www.oracle.com

    Additional CVEs addressed are: The patch for CVE - 2026 -34481 also addresses CVE - 2026 -34477, CVE - 2026 -34478, CVE - 2026 -34479, and CVE - 2026 -34480. Oracle Fusion Middleware Risk Matrix This Critical Security Patch Update contains 106 new security patches for Oracle Fusion Middleware. 53 of these vulnerabilities may be remotely exploitable without authentication, i.e., may be exploited over a ...

    2026-09-25 10:12 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-13465.json.

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