- Description
- Origin validation error in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.
- Source
- secure@microsoft.com
- NVD status
- Analyzed
- CNA Tags
- exclusively-hosted-service
- Products
- entra_id
CVSS 3.1
- Type
- Primary
- Base score
- 10
- Impact score
- 6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Severity
- CRITICAL
- secure@microsoft.com
- CWE-346
- Hype score
- Not currently trending
π¨ CRITICAL: CVE-2026-42901 - CVSS 10.0 Origin validation flaw in Microsoft Entra ID enables unauthenticated privilege escalation over network. No user interaction required. Patch immediately. #CVE #Vulnerability #PatchNow #ThreatIntel https://t.co/xmvMUUreYI
@DFIR_Lab
27 May 2026
51 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
Microsoft Fixes Critical Entra ID Privilege Flaw (CVE-2026-42901) https://t.co/w3ukHXIsyu #Cyberupdates #Cybertechnews #Cybersecurity
@unknownmatter19
24 May 2026
5 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
Microsoft Fixes Critical Entra ID Privilege Flaw (CVE-2026-42901) https://t.co/ww0Av0mEAc #Cyberupdates #Cybertechnews #Cybersecurity
@CyberInsights1
24 May 2026
4 Impressions
0 Retweets
1 Like
0 Bookmarks
0 Replies
0 Quotes
Microsoft Fixes Critical Entra ID Privilege Flaw (CVE-2026-42901) https://t.co/rHU84q107D #Cyberupdates #Cybertechnews #Cybersecurity
@TheCyberDef
23 May 2026
8 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
Critical vulns: Microsoft Exchange zero-day (CVE-2026-42897) allows mailbox compromise. AI-gen 2FA bypass & new Azure/Entra ID (CVE-2026-42901) flaws threaten data privacy/integrity. Patch DNS! #Cybersecurity #ZeroDay #News
@YourAnon_irc
23 May 2026
83 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
The severity is increased for this new vulnerability affecting Microsoft Entra (CVE-2026-42901) https://t.co/14HjDDPLUp
@vuldb
23 May 2026
58 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:entra_id:-:*:*:*:*:*:*:*",
"matchCriteriaId": "D09E509F-AFF3-4991-877A-D197388E7AD4",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]