CVE-2020-1349

365 Apps vulnerability

CVSS

7.8

EPSS

22.5%

EPSS pct

97th

Exploited

No known

A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka 'Microsoft Outlook Remote Code Execution Vulnerability'.

Affected vendor

Microsoft

Affected product

365 Apps

CVSS vector

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

Published

2020-07-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 22.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2020-1349

Confirm whether Microsoft 365 Apps is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2020-1349.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-1349

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-1349 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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