High Severity Vulnerability
This vulnerability has been rated as High severity. Immediate action is recommended.
CVE-2026-26110
High
Low
Medium
High
Critical
8.4
CVSS Score
Vulnerability Description
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
CVSS Metrics
Common Vulnerability Scoring System
Vector String:
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
L
Attack Complexity
L
Privileges Required
N
User Interaction
N
Scope
U
Confidentiality
H
Integrity
H
Availability
H
Known Affected Software
14 configuration(s) from 1 vendor(s)
office
Version:
2.70.23021003
CPE:
cpe:2.3:a:microsoft:office:2.70.23021003:*:*:*:*:iphone_os:*:*
office_long_term_servicing_channel
Version:
2024
CPE:
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x64:*
office_long_term_servicing_channel
Version:
2021
CPE:
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x86:*
office
Version:
16.0.14326.21606
CPE:
cpe:2.3:a:microsoft:office:16.0.14326.21606:*:*:*:*:universal:*:*
office
Version:
16.0.14326.21330
CPE:
cpe:2.3:a:microsoft:office:16.0.14326.21330:*:*:*:*:universal:*:*
office
Version:
2016
CPE:
cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x86:*
office
Version:
3.0
CPE:
cpe:2.3:a:microsoft:office:3.0:*:*:*:*:*:*:*
office
Version:
2019
CPE:
cpe:2.3:a:microsoft:office:2019:*:*:*:*:-:x64:*
office
Version:
16.0.16026.20172
CPE:
cpe:2.3:a:microsoft:office:16.0.16026.20172:*:*:*:*:android:*:*
office
Version:
16.0.16130.20156
CPE:
cpe:2.3:a:microsoft:office:16.0.16130.20156:*:*:*:*:android:*:*
office
Version:
4.0
CPE:
cpe:2.3:a:microsoft:office:4.0:*:*:*:*:*:*:*
office
Version:
4.3
CPE:
cpe:2.3:a:microsoft:office:4.3:*:*:*:*:*:*:*
office
Version:
16.0.16827.20138
CPE:
cpe:2.3:a:microsoft:office:16.0.16827.20138:*:*:*:*:android:*:*
365_apps
Version:
-
CPE:
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
This vulnerability affects 14 software configuration(s). Ensure you patch all affected systems.
Severity Details
8.4
out of 10.0
High
Weakness Type (CWE)
CWE-843
Access of Resource Using Incompatible Type ('Type Confusion')
- Description
- The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
- Typical Severity
- High
- Abstraction Level
- Base
Key Information
- Published Date
- March 10, 2026
