VDB
CVE-2026-33102
CVE-2026-33102
PUBLISHED
CVSS 9.300000190734863 CRITICAL
Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate privileges over a network.
EPSS 0.05% · 17.3th percentile
Risk Scores
CVSS v3.1
9.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
EPSS Score
0.05%
17.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft 365 Copilot | - |
| microsoft | 365_copilot | - |
Timeline
- Apr 14, 2026 CVE Published
- Apr 23, 2026 CVE Updated
- Apr 23, 2026 PoC Published
- Apr 24, 2026 Security Advisory
- Apr 24, 2026 Security Advisory
- May 5, 2026 Security Advisory
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score