CVE-2026-45492: CWE-20: Improper Input Validation in Microsoft Microsoft Edge (Chromium-based)
Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-45492 and classified under CWE-20 (Improper Input Validation), affects Microsoft Edge (Chromium-based). It enables an attacker without privileges to bypass a security feature remotely by exploiting improper validation of input. The CVSS 3.1 base score is 5.4, reflecting a medium severity with network attack vector, low complexity, no privileges required, and user interaction needed. Microsoft has published an official fix for this vulnerability.
Potential Impact
An attacker can bypass a security feature in Microsoft Edge remotely without requiring privileges, potentially leading to limited confidentiality and integrity impacts. There is no impact on availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided patch from the Microsoft Security Response Center advisory to remediate this issue.
CVE-2026-45492: CWE-20: Improper Input Validation in Microsoft Microsoft Edge (Chromium-based)
Description
Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.
CVSS v3.1
Score 5.4medium
Affected software
Microsoft
Microsoft Edge (Chromium-based)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-45492 and classified under CWE-20 (Improper Input Validation), affects Microsoft Edge (Chromium-based). It enables an attacker without privileges to bypass a security feature remotely by exploiting improper validation of input. The CVSS 3.1 base score is 5.4, reflecting a medium severity with network attack vector, low complexity, no privileges required, and user interaction needed. Microsoft has published an official fix for this vulnerability.
Potential Impact
An attacker can bypass a security feature in Microsoft Edge remotely without requiring privileges, potentially leading to limited confidentiality and integrity impacts. There is no impact on availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided patch from the Microsoft Security Response Center advisory to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T16:07:22.618Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45492","vendor":"Microsoft"}]
Threat ID: 6a0b4e31ec166c07b0dc0328
Added to database: 05/18/2026, 17:36:49 UTC
Last enriched: 08/11/2026, 16:58:13 UTC
Last updated: 09/14/2026, 22:01:34 UTC
Views: 125
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