CVE-2026-33825: CWE-1220: Insufficient Granularity of Access Control in Microsoft Microsoft Defender Antimalware Platform
CVE-2026-33825 is a high-severity vulnerability in Microsoft Defender Antimalware Platform version 4. 0. 0. 0 caused by insufficient granularity of access control. This flaw allows an authorized local attacker to elevate their privileges, potentially gaining higher system rights. Microsoft has released an official fix to address this issue. There are no known exploits in the wild at this time. Users of the affected version should apply the available patch to mitigate the risk.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-33825) in Microsoft Defender Antimalware Platform arises from insufficient granularity in access control mechanisms, enabling a local attacker with some level of authorization to escalate privileges. The CVSS v3.1 base score is 7.8, indicating high severity, with attack vector local, low attack complexity, and privileges required being low. The vulnerability impacts confidentiality, integrity, and availability with high impact. Microsoft has published an official fix for this vulnerability, and no cloud service is involved.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges on the affected system, potentially gaining full control or executing actions beyond their original permissions. This can compromise system confidentiality, integrity, and availability. No known exploits have been reported in the wild so far.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the patch provided by Microsoft as soon as possible. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825 for detailed update instructions and confirmation of remediation status.
CVE-2026-33825: CWE-1220: Insufficient Granularity of Access Control in Microsoft Microsoft Defender Antimalware Platform
Description
CVE-2026-33825 is a high-severity vulnerability in Microsoft Defender Antimalware Platform version 4. 0. 0. 0 caused by insufficient granularity of access control. This flaw allows an authorized local attacker to elevate their privileges, potentially gaining higher system rights. Microsoft has released an official fix to address this issue. There are no known exploits in the wild at this time. Users of the affected version should apply the available patch to mitigate the risk.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-33825) in Microsoft Defender Antimalware Platform arises from insufficient granularity in access control mechanisms, enabling a local attacker with some level of authorization to escalate privileges. The CVSS v3.1 base score is 7.8, indicating high severity, with attack vector local, low attack complexity, and privileges required being low. The vulnerability impacts confidentiality, integrity, and availability with high impact. Microsoft has published an official fix for this vulnerability, and no cloud service is involved.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges on the affected system, potentially gaining full control or executing actions beyond their original permissions. This can compromise system confidentiality, integrity, and availability. No known exploits have been reported in the wild so far.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the patch provided by Microsoft as soon as possible. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825 for detailed update instructions and confirmation of remediation status.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-24T00:52:01.352Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825","vendor":"Microsoft"}]
Threat ID: 69de7a3b82d89c981fd6cf45
Added to database: 4/14/2026, 5:32:43 PM
Last enriched: 5/21/2026, 11:34:28 AM
Last updated: 5/29/2026, 3:46:59 AM
Views: 243
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.