Microsoft Discloses Elevation of Privilege Flaws in MMC, Partner Center, and Microsoft 365 Copilot
Microsoft published security advisories for three elevation of privilege vulnerabilities affecting Microsoft Management Console, Microsoft Partner Center, and Microsoft 365 Copilot. The issues are tracked as CVE-2026-27914, CVE-2026-24303, and CVE-2026-33102, respectively, and were added to the Microsoft Security Update Guide as separate product-specific flaws.
The disclosures indicate that both on-premises administrative tooling and cloud-connected Microsoft services are affected by privilege-escalation weaknesses. While Microsoft did not provide public synopses in the referenced advisories, the listings identify the impacted products and classify each issue as an elevation of privilege vulnerability, signaling potential risk to administrators, partners, and enterprise users relying on those platforms.

Get ahead of threats like this
Mallory correlates global threat intelligence with your attack surface — know if you’re exposed before adversaries strike.
How this story unfolded
3 events from the most recent confirmed update back to the earliest known activity.
Microsoft publishes advisory for CVE-2026-33102
Microsoft published CVE-2026-33102 in its Security Update Guide, identifying it as a Microsoft 365 Copilot elevation of privilege vulnerability.
Microsoft publishes advisory for CVE-2026-24303
Microsoft published CVE-2026-24303 in its Security Update Guide, identifying it as a Microsoft Partner Center elevation of privilege vulnerability.
Microsoft publishes advisory for CVE-2026-27914
Microsoft added CVE-2026-27914 to its Security Update Guide as a Microsoft Management Console elevation of privilege vulnerability.
Sources
3 references tracked. Mallory keeps watching after this page renders.
CVE-2026-24303 - Security Update Guide - Microsoft - Microsoft Partner Center Elevation of Privilege Vulnerability
msrc.microsoft.com
Open sourceCVE-2026-33102 - Security Update Guide - Microsoft - Microsoft 365 Copilot Elevation of Privilege Vulnerability
msrc.microsoft.com
Open sourceCVE-2026-27914 - Security Update Guide - Microsoft - Microsoft Management Console Elevation of Privilege Vulnerability
msrc.microsoft.com
Open sourceSee the full picture, correlated to your attack surface.
Map indicators from this story to your assets and identify affected systems in minutes.
Every observed campaign, victim, and pivot linked to actors named in this story.
Malware, exploits, and IOCs connected to the activity described here.
YARA, Sigma, and Snort rules deployed to your SIEM as soon as they’re published.
Get matching new stories delivered to your team as they break — not the next morning.
Ask questions about this story and take action on the answers.


