Risk | High |
Patch available | YES |
Number of vulnerabilities | 3 |
CVE-ID | CVE-2023-33158 CVE-2023-33161 CVE-2023-33162 |
CWE-ID | CWE-20 CWE-200 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Microsoft Office Client/Desktop applications / Office applications Microsoft Office for Universal Client/Desktop applications / Office applications Microsoft 365 Apps for Enterprise Client/Desktop applications / Office applications Microsoft Excel Client/Desktop applications / Office applications Microsoft Office LTSC 2021 Other software / Other software solutions Office Online Server Server applications / Other server solutions |
Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
EUVDB-ID: #VU78178
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-2023-33158
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input in the Microsoft Excel. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft Office: 2019 for Mac
Microsoft Office for Universal: All versions
Microsoft Office LTSC 2021: 32 bit editions - 2021 for Mac
Microsoft 365 Apps for Enterprise: 32-bit Systems - 64-bit Systems
External linkshttp://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33158
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.
EUVDB-ID: #VU78179
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-2023-33161
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input in the Microsoft Excel. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft Office: 2019 for Mac
Microsoft Office LTSC 2021: 2021 for Mac
Microsoft 365 Apps for Enterprise: 32-bit Systems - 64-bit Systems
External linkshttp://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33161
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.
EUVDB-ID: #VU78180
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-33162
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in the Microsoft Excel. A remote attacker can trick a victim to open a specially crafted file and gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft Office: 2019 - 2019 for Mac
Office Online Server : All versions
Microsoft Excel: 2013 RT Service Pack 1 - 2016
Microsoft Office LTSC 2021: 32 bit editions - 2021 for Mac
Microsoft 365 Apps for Enterprise: 32-bit Systems - 64-bit Systems
External linkshttp://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33162
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.