Privilege escalation in Windows Audio Service
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2019-1086 CVE-2019-1087 CVE-2019-1088 |
| CWE-ID | CWE-20 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Input validation error
EUVDB-ID: #VU19113
Risk: Low
CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-1086
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insufficient validation of user-supplied input in Windows Audio Service.
A local user can create a specially crafted application and use this vulnerability in conjunction with another issue to escalate privileges on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsWindows: 8.1 - 10 1903
Windows Server: 2012 R2 - 2019 1903
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1086
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.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Input validation error
EUVDB-ID: #VU19114
Risk: Low
CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-1087
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insufficient validation of user-supplied input in Windows Audio Service.
A local user can create a specially crafted application and use this vulnerability in conjunction with another issue to escalate privileges on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsWindows: 8.1 - 10 1903
Windows Server: 2012 R2 - 2019 1903
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1087
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.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Input validation error
EUVDB-ID: #VU19115
Risk: Low
CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-1088
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insufficient validation of user-supplied input in Windows Audio Service.
A local user can create a specially crafted application and use this vulnerability in conjunction with another issue to escalate privileges on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsWindows: 7 - 10 1903
Windows Server: 2008 - 2019 1903
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1088
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.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
