Risk Letters

Exploited vulnerability

CVE-2017-11882

TLP:CLEAR

Microsoft Office Memory Corruption Vulnerability

Microsoft Office contains a memory corruption vulnerability that allows remote code execution in the context of the current user.

Facts

  • Vendor: Microsoft
  • Product: Office
  • CVSS: 7.8
  • EPSS (probability of exploitation within 30 days): 99.9 %
  • 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-119
  • 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