How severe is CVE-2021-40448?

CVE-2021-40448 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-40448 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40448?

CVE-2021-40448 affects Microsoft Accessibility Insights For Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-40448?

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

When was CVE-2021-40448 published?

CVE-2021-40448 was published on 2021-09-15 and last updated on 2026-06-17.

CVE-2021-40448

CVE-2021-40448 is a medium-severity vulnerability in Microsoft Accessibility Insights For Android with a CVSS 3.x base score of 6.3. 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 6.3)
CVSS v2: 4.3
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Accessibility Insights For Android
Published: 2021-09-15
Last modified: 2026-06-17

Description

Microsoft Accessibility Insights for Android Information Disclosure Vulnerability

Frequently asked questions

What is CVE-2021-40448?: Microsoft Accessibility Insights for Android Information Disclosure Vulnerability
How severe is CVE-2021-40448?: CVE-2021-40448 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-40448 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40448?: CVE-2021-40448 affects Microsoft Accessibility Insights For Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40448?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-40448 published?: CVE-2021-40448 was published on 2021-09-15 and last updated on 2026-06-17.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40448

Affected products (1)

cpe:2.3:a:microsoft:accessibility_insights_for_android:*:*:*:*:*:*:*:*