← Vulnerability feed

Vulnerability record · CVE-2020-1458 · published 14 July 2020

CVE-2020-1458: Microsoft 365 apps untrusted search path vulnerability

Microsoft · 365 Apps

A remote code execution vulnerability exists when Microsoft Office improperly validates input before loading dynamic link library (DLL) files, aka 'Microsoft Office Remote Code Execution Vulnerability'.

7.8 CVSS 3.1 High EPSS 11% · top 4.3% CWE-426 · Untrusted search path
7.8CVSS 3.1 base score, v2 9.3
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A remote code execution vulnerability exists when Microsoft Office improperly validates input before loading dynamic link library (DLL) files, aka 'Microsoft Office Remote Code Execution Vulnerability'.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2020-1458 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-21413Microsoft Outlook improper input validation remote code executionCVE-2024-21413 is a critical remote code execution flaw in Microsoft Outlook caused by improper input validation, tracked publicly as the MonikerLink…KEVEPSS 95%analysed9.8CVE-2023-23397Microsoft Outlook improper input validation privilege escalationCVE-2023-23397 is a critical elevation of privilege flaw in Microsoft Outlook caused by improper input validation and an authentication bypass by cap…KEVEPSS 97%analysed8.8CVE-2024-38189Microsoft Project Remote Code Execution via Improper Input ValidationMicrosoft Project and related Office products contain a remote code execution flaw rooted in improper input validation. An attacker can trigger code …KEVEPSS 8.2%analysed8.8CVE-2023-35311Microsoft Outlook security feature bypass via TOCTOU race conditionCVE-2023-35311 is a security feature bypass in Microsoft Outlook caused by a time-of-check time-of-use (TOCTOU) race condition (CWE-367). It affects …KEVEPSS 16%analysed7.8CVE-2026-21514Microsoft Word security feature bypass via untrusted inputMicrosoft Word relies on untrusted inputs when making a security decision, allowing an attacker to bypass a security feature. The flaw affects Micros…KEVEPSS 1.5%analysed7.8CVE-2026-21509Microsoft Office untrusted input security feature bypassMicrosoft Office relies on untrusted inputs when making a security decision, letting an unauthorized attacker bypass a security feature locally. The …KEVEPSS 73%analysed7.8CVE-2021-42292Microsoft Excel security feature bypass via crafted fileCVE-2021-42292 is a security feature bypass in Microsoft Excel and related Office products. The record gives only a one-line description, so the exac…KEVEPSS 43%analysed7.8CVE-2021-38646Microsoft Office Access Connectivity Engine remote code executionThe Microsoft Office Access Connectivity Engine contains a remote code execution flaw. The record gives no root-cause detail beyond the CWE being mar…KEVEPSS 8.0%analysed

Source: NIST National Vulnerability Database (record CVE-2020-1458), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.