VDB
CVE-2026-33819
CVE-2026-33819
PUBLISHED
CVSS 10 CRITICAL
Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network.
EPSS 0.84% · 55.3th percentile
Risk Scores
CVSS 3.1
10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS Score
0.84%
55.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| microsoft | bing | - |
| Microsoft | Microsoft Bing | - |
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