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CVE-2026-62869 is a Critical spoofing vulnerability in Azure Entra ID caused by insufficient verification of data authenticity. An authorized attacker can exploit the flaw over the network without user interaction. The issue affects Microsoft’s hosted identity service rather than an on-premises customer-managed component, and the weakness is classified as CWE-345. The available information indicates the flaw could allow falsification of identity-related or data-authenticity-dependent interactions within Azure Entra ID.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical spoofing vulnerability affecting Azure Entra ID.
Azure Entra ID Spoofing vulnerability.
A spoofing vulnerability in Microsoft Entra / Azure Entra ID caused by insufficient verification of data authenticity, allowing an authorized attacker to perform spoofing over a network.
A critical spoofing vulnerability in Microsoft Entra ID caused by insufficient verification of data authenticity, allowing authenticated attackers to spoof over the network.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.