Patchfirst
CVE-2015-2360 KEV High · 8.8 EPSS 14.8%

Microsoft Win32k Privilege Escalation Vulnerability

Microsoft · Win32k

Summary

The Win32k kernel-mode driver (win32k.sys) in multiple Windows Server and client releases, including Windows 7, Windows 8, Windows 8.1 and Windows Server 2012, contains a memory corruption flaw. An attacker who already has local, low-privilege access can run a crafted application to gain elevated privileges or cause a denial of service, without user interaction.

Official description · NVD

win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2 and R2 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

Breakdown
67.4 / 100
Exploited
Yes, in CISA KEV
Reports
1
Tactics
1/15

How an attack unfolds

Based on mappings. Select a step to see the evidence.
  1. What can follow

First seen exploited 1 day before it was disclosed.

  1. First seen exploitedVulnCheck KEV evidence1 day before
  2. Disclosedday 0
  3. Added to CISA KEVEU database agrees+7 yrs

CISA KEV listing is when exploitation was confirmed, not necessarily the first attack.

techniques

1 , grouped by in kill-chain order, 2 cited passages 1

Privilege EscalationTA0004

Exploitation for Privilege Escalation T1068 Medium
MITRE CTID mapping of the CVE · uncategorised
Lower-confidence links (1)

These come from early or generic mappings, text matching, or contradict this CVE’s details (for example a public-facing technique on a bug that needs a user to open a file). Shown for completeness.

  • Malicious FileT1204.002 server-side bug exploitable without user interaction; client-execution technique does not fit

Detection

0 rules for this CVE · 31 general rules for its techniques

Rules for this CVE

0 that reference CVE-2015-2360 directly.

CVE-specific rules are not available in this build. Search SigmaHQ ↗

General rules for this CVE’s techniques

These detect the technique in general, not this specific vulnerability.

Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.

What security researchers reported

Named in 1 threat report
1 reportMicrosoft

Reports are matched by finding the exact id CVE-2015-2360 in their text; nobody has reviewed the match. One passage is shown per report, at most 320 characters, linked to the original.

Also mentioned in 50 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

4 links, grouped by NVD tag (3 duplicates merged)
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