CVE-2012-1855

NONECVSS 0.0Elevated
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 20%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not properly handle function pointers, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP) or (2) a crafted .NET Framework application, aka ".NET Framework Memory Access Vulnerability."

CVSS v3
—
EG Score
0.0(none)
EPSS
97.2%
KEV
Not listed

Published

June 12, 2012

Last Modified

April 29, 2026

References (6)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 36× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 16:23 UTCEPSS rescore
  2. 2026-07-06 02:19 UTCEPSS rescore
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  1. 2026-06-17 17:49 UTCEPSS rescore
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  9. 2026-06-11 13:56 UTCEPSS rescore
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  26. 2026-05-29 13:41 UTCEPSS rescore
  27. 2026-05-29 04:22 UTCEG score recompute
  28. 2026-05-29 04:22 UTCGHSA enrichment
  29. 2026-05-28 13:42 UTCEPSS rescore
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  43. 2026-05-18 21:29 UTCEPSS rescore
  44. 2026-05-18 21:29 UTCEPSS rescore

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Frequently asked(4)

What is CVE-2012-1855?
CVE-2012-1855 is a none vulnerability published on June 12, 2012. Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not properly handle function pointers, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP) or (2) a crafted .NET Framework application, aka ".NET Framework Memory Access…
When was CVE-2012-1855 disclosed?
CVE-2012-1855 was first published in the National Vulnerability Database on June 12, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-1855 actively exploited?
CVE-2012-1855 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-1855?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-1855, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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