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Unrated severityNVD Advisory· Published Jul 14, 2020· Updated Aug 4, 2024

CVE-2020-1349

CVE-2020-1349

Description

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'.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

A remote code execution vulnerability in Microsoft Outlook due to improper memory handling, affecting Outlook 2019.

Vulnerability

Microsoft Outlook 2019 version 16.0.12624.20424 and earlier versions fail to properly handle objects in memory, leading to a remote code execution vulnerability [1]. The bug exists in the email client's parsing or rendering of specially crafted messages.

Exploitation

An attacker can send a specially crafted email to a victim. No user interaction beyond opening the email or previewing it may be required. The attacker does not need authentication if the email is received. The exploit occurs when Outlook processes the malicious content in memory.

Impact

Successful exploitation allows the attacker to execute arbitrary code in the context of the current user. This could lead to full compromise of the user's system, including data access and installation of malware.

Mitigation

Microsoft released a security update as part of July 2020 Patch Tuesday to fix CVE-2020-1349. Users should apply the latest updates. No workaround is provided. The vulnerability is not listed on KEV as of now.

References
  1. Packet Storm

AI Insight generated on May 27, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.

Affected products

5
  • Microsoft/Outlookllm-fuzzy
  • Microsoft/Microsoft 365 Apps for Enterprise for 32-bit Systemsv5
    Range: unspecified
  • Microsoft/Microsoft 365 Apps for Enterprise for 64-bit Systemsv5
    Range: unspecified
  • Microsoft/Office Visiocpe-rescue
    Range: 2019 for 32-bit editions
  • Microsoft/Microsoft Outlookcpe-rescue
    Range: 2016 (32-bit edition)

Patches

0

No patches discovered yet.

Vulnerability mechanics

No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.

References

2

News mentions

0

No linked articles in our index yet.