CVE-2013-3660
The EPATHOBJ::pprFlattenRec function in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003…
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The EPATHOBJ::pprFlattenRec function in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, and Windows Server 2012 does not properly initialize a pointer for the next object in a certain list, which allows local users to obtain write access to the PATHRECORD chain, and consequently gain privileges, by triggering excessive consumption of paged memory and then making many FlattenPath function calls, aka "Win32k Read AV Vulnerability."
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Win32k Privilege Escalation Vulnerability.
- Added
- 28 Mar 2022
- Fix due (US federal)
- 18 Apr 2022
- Used by ransomware
- Not known
Apply updates per vendor instructions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 39.3% · top 1.4% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (15)
- 20130517 Re: exploitation ideas under memory pressure (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 25611 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 20130517 exploitation ideas under memory pressure (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 53435 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 93539 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- http://twitter.com/taviso/statuses/309157606247768064 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.computerworld.com/s/article/9239477 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.theverge.com/2013/5/23/4358400/google-engineer-bashes-microsoft-discloses-windows-flaw (opens in a new tab)x_refsource_MISCx_transferred
- oval:org.mitre.oval:def:17360 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- http://www.reddit.com/r/netsec/comments/1eqh66/0day_windows_kernel_epathobj_vulnerability/ (opens in a new tab)x_refsource_MISCx_transferred
- 20130603 Re: exploitation ideas under memory pressure (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- TA13-190A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- MS13-053 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- http://twitter.com/taviso/statuses/335557286657400832 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3660 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2013-3660)Record last updated .