CVE-2015-2546
Microsoft Win32k: Memory Corruption
As of , CVE-2015-2546 in Microsoft Win32k is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 15 March 2022
- US federal deadline
- 5 April 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Known
- EPSS score
- 0.10Higher than 95% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.11 on 15 March 2022EPSS on the day CISA listed it.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- No vendor link in CISA's entry
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
The kernel-mode driver in Microsoft Windows OS and Server allows local users to gain privileges via a crafted application.
CISA's description
The kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 allows local users to gain privileges via a crafted application, aka "Win32k Memory Corruption Elevation of Privilege Vulnerability," a different vulnerability than CVE-2015-2511, CVE-2015-2517, and CVE-2015-2518.
The CVE record's description, from microsoft
- CVE published
- 9 September 2015
- Assigned by
- microsoft
- CVSS
- 8.2 High (CVSS 3.1, from CISA-ADP)
- CWE-119
- Improper Restriction of Operations within the Bounds of a Memory Buffer
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Win32k: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2014-4113Privilege Escalation | Microsoft Win32k | Patch this weekMetasploit module; EPSS 0.87; verified Exploit-DB entry | 0.87 | ||
| CVE-2018-8120Privilege Escalation | Microsoft Win32k | Patch this weekRansomware use; Metasploit module; EPSS 0.73; verified Exploit-DB entry | 0.73 | ||
| CVE-2015-1701Privilege Escalation | Microsoft Win32k | Patch this weekRansomware use; Metasploit module; EPSS 0.56; verified Exploit-DB entry | 0.56 | ||
| CVE-2018-8453Privilege Escalation | Microsoft Win32k | Patch this weekRansomware use; Metasploit module; EPSS 0.70; verified Exploit-DB entry | 0.70 | ||
| CVE-2013-3660Privilege Escalation | Microsoft Win32k | Patch this weekMetasploit module; verified Exploit-DB entry | 0.39 | ||
| CVE-2022-21882Privilege Escalation | Microsoft Win32k | Patch this weekRansomware use; Metasploit module; EPSS 0.59 | 0.59 | ||
| CVE-2019-1458Privilege Escalation | Microsoft Win32k | Patch this weekRansomware use; Metasploit module; EPSS 0.74 | 0.74 | ||
| CVE-2021-1732Privilege Escalation | Microsoft Win32k | Patch this weekRansomware use; Metasploit module; EPSS 0.78 | 0.78 | ||
| CVE-2019-0808Privilege Escalation | Microsoft Win32k | Patch this weekMetasploit module; EPSS 0.53 | 0.53 | ||
| CVE-2020-1054Privilege Escalation | Microsoft Win32k | Patch this weekMetasploit module; EPSS 0.54 | 0.54 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org