How severe is CVE-2020-0984?

CVE-2020-0984 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-0984 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0984?

CVE-2020-0984 affects Microsoft Autoupdate. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-0984?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-0984 published?

CVE-2020-0984 was published on 2020-04-15 and last updated on 2026-06-17.

CVE-2020-0984

CVE-2020-0984 is a high-severity vulnerability in Microsoft Autoupdate with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Autoupdate
Published: 2020-04-15
Last modified: 2026-06-17

Description

An elevation of privilege vulnerability exists when the Microsoft AutoUpdate (MAU) application for Mac improperly validates updates before executing them, aka 'Microsoft (MAU) Office Elevation of Privilege Vulnerability'.

Frequently asked questions

What is CVE-2020-0984?: An elevation of privilege vulnerability exists when the Microsoft AutoUpdate (MAU) application for Mac improperly validates updates before executing them, aka 'Microsoft (MAU) Office Elevation of Privilege Vulnerability'.
How severe is CVE-2020-0984?: CVE-2020-0984 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-0984 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0984?: CVE-2020-0984 affects Microsoft Autoupdate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-0984?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-0984 published?: CVE-2020-0984 was published on 2020-04-15 and last updated on 2026-06-17.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0984

Affected products (1)

cpe:2.3:a:microsoft:autoupdate:-:*:*:*:*:macos:*:*

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