Kaspersky ID:
KLA90842
Detect Date:
01/13/2026
Updated:
01/14/2026

Description

Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, bypass security restrictions, spoof user interface, obtain sensitive information, gain privileges.

Below is a complete list of vulnerabilities:

  1. A remote code execution vulnerability in Microsoft Office can be exploited remotely to execute arbitrary code.
  2. A remote code execution vulnerability in Microsoft Word can be exploited remotely to execute arbitrary code.
  3. A remote code execution vulnerability in Microsoft Excel can be exploited remotely to execute arbitrary code.
  4. A spoofing vulnerability in Microsoft SharePoint Server can be exploited remotely to spoof user interface.
  5. An elevation of privilege vulnerability in Microsoft Office Click-To-Run can be exploited remotely to execute arbitrary code.
  6. A security feature bypass vulnerability in Microsoft Excel can be exploited remotely to bypass security restrictions.
  7. An information disclosure vulnerability in Microsoft SharePoint can be exploited remotely to obtain sensitive information.
  8. A remote code execution vulnerability in Microsoft SharePoint can be exploited remotely to execute arbitrary code.
  9. A remote code execution vulnerability in Microsoft SharePoint Server can be exploited remotely to execute arbitrary code.

Original advisories

Related products

CVE list

  • CVE-2026-20943
    high
  • CVE-2026-20944
    critical
  • CVE-2026-20946
    critical
  • CVE-2026-20947
    critical
  • CVE-2026-20948
    critical
  • CVE-2026-20949
    critical
  • CVE-2026-20950
    critical
  • CVE-2026-20951
    critical
  • CVE-2026-20952
    critical
  • CVE-2026-20953
    critical
  • CVE-2026-20955
    critical
  • CVE-2026-20956
    critical
  • CVE-2026-20957
    critical
  • CVE-2026-20958
    high
  • CVE-2026-20959
    high
  • CVE-2026-20963
    critical

KB list

Read more

Find out the statistics of the vulnerabilities spreading in your region on statistics.securelist.com

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