CVE record · 3 sources
CVE-2026-62873
CVSS 9.8Improper verification of cryptographic signature in Microsoft 365 Admin Center allows an unauthorized attacker to elevate privileges over a network.
- Vendor
- Microsoft
- Product
- Microsoft 365 / Office
- CVSS
- 9.8
- Exposure class
- Collaboration
Coverage
3Every item in the archive that references this CVE, highest rank first. Headlines open the publisher.
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The August 2026 Security Update Review
I’ve successfully survived Hacker Summer Camp, and I have returned with a new outlook on patch density. When even Linus Torvalds says that huge updates are the “ new normal ”, it’s time to readjust what we consider a true bug…
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Improper verification of cryptographic signature in Microsoft 365 Admin Center allows an unauthorized attacker to elevate privileges over a network.
Improper verification of cryptographic signature in Microsoft 365 Admin Center allows an unauthorized attacker to elevate privileges over a network.
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CVE-2026-62873 Microsoft 365 Admin Center Elevation of Privilege Vulnerability
Improper verification of cryptographic signature in Microsoft 365 Admin Center allows an unauthorized attacker to elevate privileges over a network.