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CVE-2012-1889

Microsoft XML Core Services 3.0, 4.0, 5.0, and 6.0 accesses uninitialized memory locations, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

CVSS 8.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.7/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 8.8: +1.32
  • Fresh EPSS: 83.52%: +0.42

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 5 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Cisco Blogs
Press · 14 Oct 2014, 07:00 · Threat Spotlight: Group 72 - Cisco Blogs
Recorded Future
Press · 01 May 2014, 07:00 · Uncovering Hidden Lynx: Using OSINT for APT Analysis - Recorded Future
The Hacker News
Press · 08 Sep 2012, 07:00 · Operation Aurora - Other Zero-Day Attacks targeting finance and Energy - The Hacker News
WeLiveSecurity
Press · 10 Jul 2012, 07:00 · Java the Hutt meets CVE-2012-1723: the Evil Empire strikes back - WeLiveSecurity
WeLiveSecurity
Press · 20 Jun 2012, 07:00 · CVE2012-1889: MSXML use-after-free vulnerability - WeLiveSecurity

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.7 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

Source entries and unverified repository candidates are counted separately.

Public exploit evidence
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 8.8; EPSS 83.5%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:57:29.649545+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
13 Jun 2012, 01:00
First press mention
20 Jun 2012, 07:00
Latest press mention
14 Oct 2014, 07:00
Added to the CISA KEV catalog
08 Jun 2022, 00:00
Score calculated
05 Nov 2026, 13:57
PoCs on GitHub
1 repositories