What’s Vulnerable › Vulnerabilities

CVE-2021-31936: Microsoft Accessibility Insights for Web Information Disclosure Vulnerability

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-11 · updated 2026-06-17

Description

Microsoft Accessibility Insights for Web Information Disclosure Vulnerability

Affected products

• Microsoft Accessibility Insights for Web: before 2.26.0 — fixed in 2.26.0
• Microsoft Accessibility Insights for Web: from 1.0.0 before 2.26.0 — fixed in 2.26.0

How to fix

Upgrade to a fixed version: Microsoft Accessibility Insights for Web 2.26.0; Microsoft Accessibility Insights for Web 2.26.0. Check the vendor advisory for mitigations.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31936
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31936

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