Dashboard / CVE-2026-62873

CVE-2026-62873

CRITICAL
INFO Priority: 0.06 BB Relevance: 80/100
Published: 2026-08-06 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

Description

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

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
Microsoft Microsoft 365 Admin Center -
Microsoft Microsoft 365 Admin Center -
microsoft windows_admin_center -

References & Advisories (1)

Bug Bounty Relevance

80 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.61%
Raw Score 0.006060
Percentile 48.9%
Date 2026-10-28

Intelligence Sources

mitre ref →
nvd ref →

External Links