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CVE-2020-16957

HIGHCVSS 7.8/10EPSS 3.58%

Last modified

CVE-2020-16957 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. <p>A remote code execution vulnerability exists when the Microsoft Office Access Connectivity Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system.</p> <p>An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file.</p> <p>The update addresses the vulnerability by correcting the way the Microsoft Office Access Connectivity Engine handles objects in memory.</p>. EPSS estimates a 3.58% chance of exploitation in the next 30 days.

Description

<p>A remote code execution vulnerability exists when the Microsoft Office Access Connectivity Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system.</p> <p>An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file.</p> <p>The update addresses the vulnerability by correcting the way the Microsoft Office Access Connectivity Engine handles objects in memory.</p>

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability
3.58%

87.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
Microsoft365 AppsAll versions
MicrosoftOffice2019

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-16957?
<p>A remote code execution vulnerability exists when the Microsoft Office Access Connectivity Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system.</p> <p>An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file.</p> <p>The update addresses the vulnerability by correcting the way the Microsoft Office Access Connectivity Engine handles objects in memory.</p>
How severe is CVE-2020-16957?
CVE-2020-16957 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 3.58% probability of exploitation in the next 30 days.
How do I fix CVE-2020-16957?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-16957?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST