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A local elevation-of-privilege vulnerability in the Microsoft Windows Graphics Device Interface (GDI) affects Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 and 2012 R2, Windows RT 8.1, and Windows 10 Gold, 1511, and 1607. The flaw allows a local user to run a crafted application that exploits improper handling within the GDI subsystem to elevate privileges. Public reporting and threat-actor use associate the issue with the exploit known as EpMe. The available information identifies the vulnerable component as Windows GDI but does not provide sufficient detail to name the exact vulnerable function or code path.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Windows local privilege escalation (LPE) vulnerability/0-day (EpMe) that APT31 is reported to have repurposed to elevate privileges during intrusions.
A Windows privilege-escalation vulnerability exploited via the Equation Group's EpMe exploit to load the hidsvc.sys driver into the kernel.
An elevation-of-privilege vulnerability discussed in the context of detection and mitigation guidance.
Windows local privilege escalation vulnerability exploited by ZIRCONIUM.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.