CVE-2017-0263 kev in the critical feed json
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, Windo…
published 2017-05-12 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-0619
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2022-02-10
- epss
- 10.0%
- EPSS 10.0% chance of exploitation in 30 days, percentile 95%
- public exploits
- 1
- Exploit-DB
Summary
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."
Patch / fix
cisa required action Apply updates per vendor instructions.
Timeline
- 0-day patched (Project Zero)
- Published
- First public exploit (EDB-44478)
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 4 y ago
- Patch by
- 2022-08-10 (4 y ago)
- Ransomware
- Not known
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- Microsoft, Win32k
- CISA name
- Microsoft Win32k Privilege Escalation Vulnerability
Zero-day
Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.
- Patched
- 2017-05-09
- Details
- project zero tracker
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
10.03% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-44478 Microsoft Windows Manager (7 x86) - Menu Management Component UAF Privilege Elevation local, 2018-03-26
- xiaodaozhi.com https://xiaodaozhi.com/exploit/117.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Microsoft Corporation Microsoft Windows
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2017-0263
patch, vendor-advisory
-
exploit-db.com
/exploits/44478/
exploit, third-party-advisory, vdb-entry
-
xiaodaozhi.com
/exploit/117.html
exploit, third-party-advisory
-
securitytracker.com
/id/1038449
vdb-entry, broken-link, third-party-advisory
-
securityfocus.com
/bid/98258
vdb-entry, broken-link, third-party-advisory
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0263
government-resource, us-government-resource
Sources
- CVE List CVE-2017-0263
- NVD CVE-2017-0263
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.