CVE-2026-34674

Description

Heap-based Buffer Overflow (CWE-122) potentially leading to Arbitrary code execution

Overview

State

—

Assigner (CNA)

—

CVSS severity

high

CVSS score

7.8 / 10

CVSS vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Effective score

7.8 / 10 HIGH source: CNA overview

CWE(s)

—

Reserved

—

Published

—

Last updated

—

Source

https://www.tenable.com/cve/CVE-2026-34674

Linked Threat

CVE-2026-34674 — CVE-2026-34674

Vendor references (0)

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

None in the CVE record.

Web references (2)

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-2026-34674 tenable:nvd.nist.gov
• https://www.cve.org/CVERecord?id=CVE-2026-34674 tenable:www.cve.org

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

• Security Advisory Bulletin 064 | Ubiquiti Community
  web:community.ui.com

  Published: May 21, 2026 Updated: May 22, 2026 Version: 1.1 Revision: 1.1 Summary 1 of 5 A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection. Affected Products: UniFi OS Server (Version 5.0.6 and earlier) Mitigation : Update your UniFi OS Server to Version 5.0.8 or later ...

  2026-05-26 02:53 UTC
• Adobe Security Bulletin
  web:helpx.adobe.com

  Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version via the Creative Cloud desktop app's update mechanism. For more information, please reference this help page.

  2026-05-26 02:53 UTC
• Security Update Guide - Microsoft
  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.

  2026-05-26 02:53 UTC
• Nvd - Cve-2026-34480
  web:nvd.nist.gov

  An official website of the United States government Here's how you know

  2026-05-26 02:53 UTC
• Oracle Critical Patch Update, April 2026 Security Update Review
  web:threatprotect.qualys.com

  Oracle released its second quarterly edition of this year's Critical Patch Update. The update received patches for 481 security vulnerabilities. Some of the vulnerabilities addressed in this update impact more than one product. These patches address vulnerabilities in various product families, including third-party components in Oracle products.

  2026-05-26 02:53 UTC
• Critical Patches Issued for Microsoft Products, April 14, 2026
  web:www.cisecurity.org

  <p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

  2026-05-26 02:53 UTC
• April 2026 Patch Tuesday: Updates and Analysis | CrowdStrike
  web:www.crowdstrike.com

  Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.

  2026-05-26 02:53 UTC
• Oracle Critical Patch Update Advisory - April 2026
  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.

  2026-05-26 02:53 UTC
• April 2026 Third-Party Vulnerabilities and Patches | Recast
  web:www.recastsoftware.com

  This April was the most active month observed so far in terms of third‑party vulnerability disclosures and remediation activity. During the month, 360 unique vulnerabilities were identified across 96 applications, with vendors releasing 172 patched versions to address these issues. Compared to earlier months, April represents a clear peak in both vulnerability volume and patch output ...

  2026-05-26 02:53 UTC
• VirusTotal - Home
  web:www.virustotal.com

  VirusTotal is a platform for scanning files and URLs for viruses, malware, and other threats using multiple antivirus engines.

  2026-05-26 02:53 UTC

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