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Fencer Intel
medium 5.5

CVE-2020-1342 json

An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, w…

published 6y ago modified 4mo ago also EUVD-2020-12218

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.4%
EPSS 6.4% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory, aka 'Microsoft Office Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2020-1445.

Patch / fix

Is CVE-2020-1342 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

6.41% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • Microsoft Microsoft SharePoint Enterprise Server
  • Microsoft Microsoft SharePoint Server
  • Microsoft Microsoft Office
  • Microsoft Microsoft Office Online Server
  • Microsoft Microsoft 365 Apps for Enterprise for 32-bit Systems
  • Microsoft Microsoft 365 Apps for Enterprise for 64-bit Systems
  • Microsoft Microsoft Word
  • Microsoft Microsoft Office Web Apps

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.