CVE-2026-118725
Microsoft Office Excel Elevation of Privilege Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to elevate privileges over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.8
Microsoft Office Excel Elevation of Privilege Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2026-118725- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-125
- Updated
- 2026-11-10
EUVDEUVD-2026-122595
8.8
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to elevate privileges over a network.
- Record
EUVD-2026-122595- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-10
GitHub AdvisoriesGHSA-hf74-fhmc-mcq5
8.8
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to elevate...
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to elevate privileges over a network.
- Record
GHSA-hf74-fhmc-mcq5- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-125
- Updated
- 2026-11-10
NVD
8.8
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2026-118725- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-125
- Updated
- 2026-11-10
Affected products
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.
In short
CVE-2026-118725 is a high vulnerability (CVSS 8.8) in Microsoft 365 Apps For Enterprise, published November 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.95%, the 61st percentile. No source names a fixed version.