Multiple vulnerabilities in Microsoft Office
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2023-33150 CVE-2023-33148 |
| CWE-ID | CWE-254 CWE-264 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Microsoft Office Client/Desktop applications / Office applications Microsoft Word Client/Desktop applications / Office applications Microsoft 365 Apps for Enterprise Client/Desktop applications / Office applications Microsoft Office LTSC 2021 Other software / Other software solutions |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Security features bypass
EUVDB-ID: #VU78073
Risk: High
CVSSv3.1: 7.7 [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]
CVE-ID: CVE-2023-33150
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to security features bypass in Microsoft Office. A remote user can trick a victim to open a specially crafted file and escape the Office Protected View.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft Office: 2019
Microsoft Word: 2013 RT Service Pack 1 - 2016
Microsoft Office LTSC 2021: 32 bit editions - 64 bit editions
Microsoft 365 Apps for Enterprise: 32-bit Systems - 64-bit Systems
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-33150
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open a file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU78075
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-33148
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in the Microsoft Office, which leads to security restrictions bypass and privilege escalation.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft Office: 2013 Click-to-Run C2R for 32-bit editions - 2019
Microsoft Office LTSC 2021: 32 bit editions - 64 bit editions
Microsoft 365 Apps for Enterprise: 32-bit Systems - 64-bit Systems
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-33148
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open a file.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
