Internet Explorer ASLR Bypass Vulnerability
CVE-2015-0071 is a security feature bypass in Microsoft Internet Explorer 9 through 11 that allows a remote attacker to defeat Address Space Layout Randomization (ASLR) via a crafted website. Microsoft identified it as an Internet Explorer ASLR bypass vulnerability and stated it was exploited in the wild. The issue does not itself constitute a standalone remote code execution flaw; rather, it weakens Internet Explorer’s memory-randomization protections and can be used in exploit chains to make reliable exploitation of a separate memory corruption or code execution vulnerability easier.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
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.
Recent activity
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An ASLR bypass vulnerability in Internet Explorer that could allow an attacker to bypass ASLR protections and more reliably exploit another vulnerability; the bulletin states it was exploited.
An ASLR bypass vulnerability in Internet Explorer that could allow an attacker to more reliably predict memory offsets and bypass a security protection when chained with another flaw. The bulletin states it was exploited.
An Internet Explorer privilege escalation vulnerability that was reportedly exploited in the wild and used alongside an Adobe Flash remote code execution flaw in a watering-hole attack.
The version that knows your environment.
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.