CVE-2019-1271 Memory corruption in Windows
An out-of-band write in hdAudio.sys allows local attackers to escalate privileges on Windows systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-1271?
CVE-2019-1271 is a high-severity memory corruption vulnerability in Microsoft Windows 10, published on 11 Sep 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An elevation of privilege exists in hdAudio.sys which may lead to an out of band write, aka 'Windows Media Elevation of Privilege Vulnerability'.
Weakness: CWE-787
Which versions are affected by CVE-2019-1271?
It affects 8 products.
Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012 and 2 more.
How do I fix CVE-2019-1271?
No fix has been published for CVE-2019-1271 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-1271 being exploited?
There is no known exploitation of CVE-2019-1271 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10
- CVE-2015-2426 Microsoft Windows Adobe Type Manager Library Remote Code Execution
- CVE-2015-1769 Microsoft Windows Mount Manager Privilege Escalation
- CVE-2020-1467 Windows Hard Link Elevation of Privilege Vulnerability
- CVE-2021-26424 Windows TCP/IP Remote Code Execution Vulnerability
- CVE-2021-28476 Windows Hyper-V Remote Code Execution Vulnerability
Sources
Also known as GHSA-9r55-2wr2-74c5.