CVE-2026-69414: Elevation of Privilege in Microsoft Microsoft Malware Protection Engine
CVE-2026-69414 is a high-severity elevation of privilege vulnerability in the Microsoft Malware Protection Engine, also known as Microsoft Defender. The vulnerability, publicly referred to as "ShieldBreak," allows an attacker with limited privileges to potentially gain higher privileges on the affected system. Microsoft has acknowledged the issue and has released an official security update to address it. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
This vulnerability in the Microsoft Malware Protection Engine allows an attacker with limited privileges to elevate their privileges, potentially gaining full control over the affected system. The vulnerability is tracked as CVE-2026-69414 and has a CVSS v3.1 base score of 7.8, indicating high severity. The attack vector requires local access with low complexity and no user interaction. Microsoft has published an official fix to remediate this issue, and further details are available in the Microsoft Security Response Center advisory.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to gain elevated privileges, compromising confidentiality, integrity, and availability of the affected system. This could lead to full system compromise if exploited.
Mitigation Recommendations
An official security update from Microsoft is available and should be applied promptly to remediate this vulnerability. Administrators should follow guidance in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69414 to ensure systems are updated. No additional mitigation steps are indicated by the vendor.
CVE-2026-69414: Elevation of Privilege in Microsoft Microsoft Malware Protection Engine
Description
CVE-2026-69414 is a high-severity elevation of privilege vulnerability in the Microsoft Malware Protection Engine, also known as Microsoft Defender. The vulnerability, publicly referred to as "ShieldBreak," allows an attacker with limited privileges to potentially gain higher privileges on the affected system. Microsoft has acknowledged the issue and has released an official security update to address it. No known exploits are reported in the wild at this time.
CVSS v3.1
Score 7.8high
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in the Microsoft Malware Protection Engine allows an attacker with limited privileges to elevate their privileges, potentially gaining full control over the affected system. The vulnerability is tracked as CVE-2026-69414 and has a CVSS v3.1 base score of 7.8, indicating high severity. The attack vector requires local access with low complexity and no user interaction. Microsoft has published an official fix to remediate this issue, and further details are available in the Microsoft Security Response Center advisory.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to gain elevated privileges, compromising confidentiality, integrity, and availability of the affected system. This could lead to full system compromise if exploited.
Mitigation Recommendations
An official security update from Microsoft is available and should be applied promptly to remediate this vulnerability. Administrators should follow guidance in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69414 to ensure systems are updated. No additional mitigation steps are indicated by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T20:57:58.964Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69414","vendor":"Microsoft"}]
Threat ID: 6a7f8f54bf8831d539c48c1e
Added to database: 08/14/2026, 21:57:40 UTC
Last enriched: 08/14/2026, 22:11:05 UTC
Last updated: 08/14/2026, 22:14:02 UTC
Views: 5
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