CVE-2025-21396
published 2025-01-29CVE-2025-21396: Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges over a network.
PriorityP259critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.68%
47.5th percentile
Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges over a network.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_account | — | — |
| msrc | microsoft_account | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- ·CVE-2025-21396 is a server-side cloud service vulnerability fully mitigated by Microsoft. No patch, update, or customer action is required. No technical exploitation details, IOCs, or detection artifacts have been publicly disclosed. ↗
- ·Exploit status confirms no public exploitation or disclosure of technical details, making detection engineering based on this CVE alone not currently actionable. ↗
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vendor_msrc8.2HIGH
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GHSA
GHSA-vcqr-f63g-v876: Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges over a network
ghsa_unreviewed·2025-01-30
CVE-2025-21396 [HIGH] CWE-862 GHSA-vcqr-f63g-v876: Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges over a network
Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges over a network.
Microsoft
Microsoft Account Elevation of Privilege Vulnerability
vendor_msrc·2025-01-14·CVSS 8.2
CVE-2025-21396 [HIGH] CWE-862 Microsoft Account Elevation of Privilege Vulnerability
Microsoft Account Elevation of Privilege Vulnerability
Description: Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges over a network.
FAQ: Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?
This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.
Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.
Microsoft Account: Microsoft Account
Microsoft: Microsoft
Customer Action Required: No
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:N/A
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-01-29
Published