7.8high

CVE-2018-0802KEV · ransomwarein critical feed

Equation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code execu…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.1 · CNA
CISA KEV
Yes
added 2021-11-03
EPSS
93.3%
percentile 100%
Public exploits
0
none known

Summary

Equation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code execution vulnerability due to the way objects are handled in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE is unique from CVE-2018-0797 and CVE-2018-0812.

Known exploited (CISA KEV)

Added
5 y ago
Due date
2022-05-03 (4 y ago)
Ransomware use
Known to be used in ransomware campaigns
Required action
Apply updates per vendor instructions.
Vendor / product
Microsoft / Office
CISA name
Microsoft Office Memory Corruption Vulnerability

CISA SSVC assessment

Exploitation
Active — exploited in the wild
Automatable
no
Technical impact
total
Assessed
20 mo ago

Exploit prediction (EPSS)

93.29% probability of exploitation in the next 30 days, higher than 100% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CISA ADP3.17.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD3.17.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA3.17.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.09.3AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • Microsoft Corporation Equation Editor

Classification

Weakness

References

  • portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2018-0802 · x_refsource_CONFIRM, x_transferred
  • github.com /rxwx/CVE-2018-0802 · x_refsource_MISC, x_transferred
  • securitytracker.com /id/1040153 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • 0patch.blogspot.com /2018/01/the-bug-that-killed-equation-editor-how.html · x_refsource_MISC, x_transferred
  • securityfocus.com /bid/102347 · vdb-entry, x_refsource_BID, x_transferred
  • github.com /zldww2011/CVE-2018-0802_POC · x_refsource_MISC, x_transferred
  • research.checkpoint.com /another-office-equation-rce-vulnerability/ · x_refsource_MISC, x_transferred
  • cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0802 · government-resource

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.