Risk Letters

Exploited vulnerability

CVE-2018-0802

TLP:CLEAR

Microsoft Office Memory Corruption Vulnerability

Microsoft Office contains a memory corruption vulnerability due to the way objects are handled in memory. Successful exploitation allows for remote code execution in the context of the current user. This vulnerability is known to be chained with CVE-2018-0798.

Facts

  • Vendor: Microsoft
  • Product: Office
  • CVSS: 7.8
  • EPSS (probability of exploitation within 30 days): 93.3 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 November 2021
  • First known exploitation: 3 November 2021
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 3 May 2022
  • Weakness: CWE-787
  • First seen by Risk Letters: 3 November 2021

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD