CVE-2026-118151
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2026-118151 is a high vulnerability (CVSS 7.2) in Microsoft Exchange Server Subscription Edition Rtm, published November 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.08%, the 65th percentile. No source names a fixed version.
- Severity
- 7.2 HighCVSS 3.1, CVE List
- Exploit chance
- 1.08%EPSS, 65th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
External control of file name or path in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Discussion
Affected products
What each source reports
CVE List Score used
Microsoft Exchange Server Elevation of Privilege Vulnerability
External control of file name or path in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
- Record
CVE-2026-118151- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-73
- Updated
- 2026-11-10
EUVDEUVD-2026-122242
External control of file name or path in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
- Record
EUVD-2026-122242- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-10
GitHub AdvisoriesGHSA-8f5r-rr39-xj62
External control of file name or path in Microsoft Exchange Server allows an authorized attacker...
External control of file name or path in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
- Record
GHSA-8f5r-rr39-xj62- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-73
- Updated
- 2026-11-10
NVD
External control of file name or path in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
- Record
CVE-2026-118151- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-73
- Updated
- 2026-11-10
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references | GitHub Advisories | |
| cwes, references, severity, title | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.