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CVE-2020-1224

MEDIUMCVSS 5.5/10EPSS 4.35%

Last modified

CVE-2020-1224 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. <p>An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.</p> <p>To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. EPSS estimates a 4.35% chance of exploitation in the next 30 days.

Description

<p>An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.</p> <p>To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created.</p> <p>The update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.</p>

Metrics

CVSS 3.1
5.5/10

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

EPSS Probability
4.35%

90.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
Microsoft365 AppsAll versions—
MicrosoftExcel2010Sp2
MicrosoftExcel2013Sp1
MicrosoftExcel2016—
MicrosoftOffice2016—
MicrosoftOffice2019—
MicrosoftOffice Online ServerAll versions—
MicrosoftOffice Web Apps2013Sp1
MicrosoftSharepoint Enterprise Server2013Sp1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-1224?
<p>An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.</p> <p>To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created.</p> <p>The update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.</p>
How severe is CVE-2020-1224?
CVE-2020-1224 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 4.35% probability of exploitation in the next 30 days.
How do I fix CVE-2020-1224?
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-2020-1224?

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

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Source: NVD / NIST