Which products and versions are affected by CVE-2020-0653?

Affected: Office 365 ProPlus (Microsoft) versions >= 32-bit Systems. The full list is in the CVE brief.

Is CVE-2020-0653 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed since Jan 22, 2020.

Is CVE-2020-0653 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2020-0653?

No public exploit code is known.

Is there a fix for CVE-2020-0653?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2020-0653 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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On CISA KEVHigh

CVE-2020-0653Office 365 ProPlus Vulnerability

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.

Published Jan 14, 2020 · Updated Nov 21, 2024

Key Facts

Patch immediately

CVE-2020-0653 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Office 365 ProPlus (Microsoft).
It is exploited in the wild, listed in Industry KEV feed since Jan 22, 2020. No public exploit code is known.
EPSS estimates a 21% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Scores

CVSS v3.1

7.8

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

EPSS (30-day exploit likelihood)

21%

Higher than 97.5% of all scored CVEs

Exploit maturity

Exploited (KEV)

ATLAS score

44/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Jan 22, 2020

8 days after publication

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Exploited (KEV)

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Advisories And Exploit References

patchhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0653

Description

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0650, CVE-2020-0651.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Jan 22, 2020	n/a	Not reported

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
Office 365 ProPlusMicrosoft	>= 32-bit Systems	n/a

Timeline

Publicly disclosed
Jan 14, 2020
Added to Industry KEV feed
Jan 22, 2020
Last updated
Nov 21, 2024

References

patchportal.msrc.microsoft.com · CVE-2020-0653
exploitVulnCheck exploitation report

FAQ

Common Questions.

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.
Affected: Office 365 ProPlus (Microsoft) versions >= 32-bit Systems. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jan 22, 2020.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2020-0653 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.