Actively exploited · Published May 12, 2017 · Assigned by microsoft
CVE-2017-0263
High 7.8 Exploited
In plain English
A high-severity use-after-free in Microsoft Windows from Microsoft Corporation. Attackers are actively exploiting it in the wild (listed by CISA on February 10, 2022). The chance it is exploited in the next 30 days is estimated at 10.0% (higher than 96% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Aug 10, 2022.
Official description
The kernel-mode drivers in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft Corporation | Microsoft Windows | Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0263 x_refsource_CONFIRM
- 1038449 vdb-entry, x_refsource_SECTRACK
- 98258 vdb-entry, x_refsource_BID
- https://xiaodaozhi.com/exploit/117.html x_refsource_MISC
- 44478 exploit, x_refsource_EXPLOIT-DB
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0263 government-resource