An elevation of privilege vulnerability exists in Microsoft Exchange Server, aka…
Priority CRITICAL 92Exploited in the wildPublished · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
An elevation of privilege vulnerability exists in Microsoft Exchange Server, aka "Microsoft Exchange Server Elevation of Privilege Vulnerability." This affects Microsoft Exchange Server.
Why it matters now
Exploitation Active In CISA KEV since 2022-03-03CISA due date 2022-03-17Known ransomware use
EPSS 0.27558 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Microsoft Exchange Server | 2010; 2013; 2016; 2019 | — | No fix listed | CNA |
- Microsoft Exchange Server VendorMicrosoft Affected 2010; 2013; 2016; 2019 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:exchange_server:2010:-:*:*:*:*:*:* | 2010 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2013:-:*:*:*:*:*:* | 2013 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:-:*:*:*:*:*:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:-:*:*:*:*:*:* | 2019 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:exchange_server:2010:-:*:*:*:*:*:* Versions 2010 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2013:-:*:*:*:*:*:* Versions 2013 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:-:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:-:*:*:*:*:*:* Versions 2019 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2022-03-03 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2018-8581
- 2026-10-03 Alias added: GHSA-h9jh-6fmr-vvc6
More Microsoft Exchange Server vulnerabilities
- TI-2024-14170 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2022-19610 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2021-13547 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2021-13502 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2021-08465 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2023-07929 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2018-8581 · CVE Program
- CVE-2018-8581 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-h9jh-6fmr-vvc6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences