VDB
CVE-2026-118150
CVE-2026-118150
PUBLISHED
CVSS 8.8 HIGH
Microsoft Exchange Server Elevation of Privilege Vulnerability
Reported by microsoft · Published November 10, 2026
Authorization bypass through user-controlled key in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Risk scores
CVSS 3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Exchange Server Subscription Edition RTM | 15.02.0.0 |
| microsoft | exchange_server_se | 15.02.0.0 |
| Microsoft | Microsoft Exchange Server Subscription Edition RTM | 15.02.0.0 |
Timeline
- Nov 10, 2026 CVE Published
- Nov 11, 2026 EPSS Score
- Nov 11, 2026 Coalition ESS Score
- Nov 11, 2026 CVE Updated
- Nov 12, 2026 Security Advisory
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2026-118150
vulnetix vdb fixes CVE-2026-118150
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-118150/fixes/registry"
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References
- Microsoft Exchange Server Elevation of Privilege Vulnerability vendor-advisorypatch