# CVE-2026-33819

> Vulnerability · severity: **CRITICAL** (CVSS 10).

## Description

Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network.

## Key facts

- **CVE ID:** CVE-2026-33819
- **Published:** 2026-04-23
- **CVSS severity:** CRITICAL
- **CVSS base score:** 10
- **CWE codes:** CWE-502

## Affected products

- `microsoft:bing`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-33819

## Citation

> AI Analytics. CVE-2026-33819. Retrieved 2026-07-23 from https://api.ai-analytics.org/cve/CVE-2026-33819. Derived from NIST NVD. Licensed CC0.

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