How severe is CVE-2022-33637?

CVE-2022-33637 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2022-33637 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-33637?

CVE-2022-33637 affects Microsoft Defender For Endpoint. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-33637?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-33637 published?

CVE-2022-33637 was published on 2022-07-12 and last updated on 2026-06-17.

CVE-2022-33637

CVE-2022-33637 is a medium-severity vulnerability in Microsoft Defender For Endpoint with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Defender For Endpoint
Published: 2022-07-12
Last modified: 2026-06-17

Description

Microsoft Defender for Endpoint Tampering Vulnerability

Frequently asked questions

What is CVE-2022-33637?: Microsoft Defender for Endpoint Tampering Vulnerability
How severe is CVE-2022-33637?: CVE-2022-33637 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-33637 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33637?: CVE-2022-33637 affects Microsoft Defender For Endpoint. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-33637?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-33637 published?: CVE-2022-33637 was published on 2022-07-12 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-33637

Affected products (1)

cpe:2.3:a:microsoft:defender_for_endpoint:-:*:*:*:*:linux:*:*

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