by Kastro
Paper/Archive/CVE-2026-62873

CVE-2026-62873

Microsoft Microsoft 365 Admin Center — Microsoft 365 Admin Center Elevation of Privilege Vulnerability

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 48.9.489 × 209.8No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Improper verification of cryptographic signature in Microsoft 365 Admin Center allows an unauthorized attacker to elevate privileges over a network.

Affected

ProductAffectedFixed inSource
Microsoft 365 Admin Center-–CNA

Scores by source

microsoft (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

patchmsrc.microsoft.com/update-guide/vulnerability/CVE-2026-62873