CVE-2026-5281 - Vulnerability Details

Threat entity extracted from intelligence sources

Frequency
4
occurrences
First Seen
April 1, 2026
Last Seen
April 15, 2026

CVE-2026-5281 is a vulnerability tracked by ThreatCluster, appearing in 3 threat clusters built from 4 intelligence report mentions.

CVE-2026-5281 is a vulnerability tracked across 3 threat clusters and 4 intelligence report mentions on ThreatCluster. First observed April 1, 2026; most recent activity April 15, 2026.

Related Threat Clusters

Recent Intelligence Reports

  • Patchday: Attackers target Edge and Microsoft SharePoint Server — Heise.De · April 15, 2026
  • Microsoft Edge Multiple Vulnerabilities — Hkcert · April 13, 2026
  • Russia will revoke licenses for unruly ISPs — News.Risky.Biz · April 3, 2026
  • New Chrome Zero-Day CVE-2026-5281 Under Active Exploitation — Thehackernews · April 1, 2026

Frequently asked questions

What is CVE-2026-5281?

CVE-2026-5281 is a vulnerability tracked by ThreatCluster, appearing in 3 threat clusters built from 4 intelligence report mentions.

Is CVE-2026-5281 still active?

The most recent intelligence report mentioning CVE-2026-5281 on ThreatCluster is dated April 15, 2026. Activity was first observed April 1, 2026, giving a tracked span from then to April 15, 2026.

What is CVE-2026-5281 associated with?

Across ThreatCluster reporting, CVE-2026-5281 most frequently co-occurs with Data Breach, DDoS, Malware, Zero-day Exploit, Azure, among 12 tracked related entities.

What are the latest developments involving CVE-2026-5281?

The most significant recent cluster is “Russia Tightens ISP Regulations Amid Internet Censorship Crackdown” (2 articles · Updated April 3, 2026). CVE-2026-5281 appears across 3 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on CVE-2026-5281?

CVE-2026-5281 appears in 4 intelligence report mentions across 3 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown