Wednesday, 28 October 2026
5 agent hacks today▼ 5 vs yesterday (10)

CVE-2026-33102: Open redirect in Microsoft 365 Copilot enables privilege elevation

A URL redirection to untrusted site ('open redirect') vulnerability in Microsoft 365 Copilot allows an unauthorized attacker to elevate privileges over a network. The issue is tracked as CVE-2026-33102 and documented in Microsoft's MSRC update guide.

Disclosed 23 April 2026 · Record updated 1 October 2026

Impact

An unauthorized remote attacker could elevate privileges via an open redirect in M365 Copilot.

Our coverage

No articles linked to this incident yet.

Sources

  1. nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-33102