How severe is CVE-2022-23280?

CVE-2022-23280 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2022-23280 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-23280?

CVE-2022-23280 affects Microsoft Outlook 2016. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-23280?

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

When was CVE-2022-23280 published?

CVE-2022-23280 was published on 2022-02-09 and last updated on 2026-06-17.

CVE-2022-23280

CVE-2022-23280 is a medium-severity vulnerability in Microsoft Outlook 2016 with a CVSS 3.x base score of 5.3. 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 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Outlook 2016
Published: 2022-02-09
Last modified: 2026-06-17

Description

Microsoft Outlook for Mac Security Feature Bypass Vulnerability

Frequently asked questions

What is CVE-2022-23280?: Microsoft Outlook for Mac Security Feature Bypass Vulnerability
How severe is CVE-2022-23280?: CVE-2022-23280 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2022-23280 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-23280?: CVE-2022-23280 affects Microsoft Outlook 2016. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-23280?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-23280 published?: CVE-2022-23280 was published on 2022-02-09 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-23280

Affected products (1)

cpe:2.3:a:microsoft:outlook_2016:*:*:*:*:*:macos:*:*