01 Record
CVE-2015-1701
Win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Vista SP2, and Server 2008 SP2 allows local users to gain privileges via a crafted application, as exploited in the wild in
HighKEVPUBLISHEDCNA: microsoft
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
02 Description
Win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Vista SP2, and Server 2008 SP2 allows local users to gain privileges via a crafted application, as exploited in the wild in
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-03-03. Federal remediation due 2022-03-24. Known ransomware campaign use: reported by CISA.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 55.92% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.9% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-08-14.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2015-04-21 10:00Z11 YR AGO
- Last updated
- 2026-08-14 03:55Z2 MO AGO
- Reserved
- 2015-02-17
- Assigning CNA
- microsoft
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.8)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- No CWE assigned
- Data version
- 5.2
- Document digest
- 6673749391b96e8c2183218c69d220cc87feae6f0586e2bfa88a2e7228f6b269
05 Affected products
VendorProductVersionsPlatforms
06 References
- twitter.comhttp://twitter.com/symantec/statuses/590208710527549440
- www.exploit-db.com37049https://www.exploit-db.com/exploits/37049/
- www.securityfocus.com74245http://www.securityfocus.com/bid/74245
- docs.microsoft.comMS15-051https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-051
- www.exploit-db.com37367https://www.exploit-db.com/exploits/37367/
- www.fireeye.comhttps://www.fireeye.com/blog/threat-research/2015/04/probable_apt28_useo.html
- www.securitytracker.com1032155http://www.securitytracker.com/id/1032155
- seclists.org20200514 KL-001-2020-002 : Cellebrite Restricted Desktop Escape and Escalation of User Privilegehttp://seclists.org/fulldisclosure/2020/May/34
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1701