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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...

8.8 HighIn KEVPublic exploit

CVE-2012-1889 is a high vulnerability (CVSS 8.8) in Microsoft Xml Core Services, published June 13, 2012. CISA lists it as known to be exploited, since June 8, 2022. EUVD reports exploitation since June 8, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 83.5%, the 99th percentile. No source names a fixed version.

What does this mean?
Severity
8.8 HighCVSS 3.1, NVD
Exploit chance
83.5%EPSS, 99th percentile
Exploitation
ExploitedCISA KEV,
Fixed in
No fix listedNo source names one

Description

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

83.5%Down 8.8 points since Feb 4, 2022
90%50%10%1%

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
MetasploitMS12-043 Microsoft XML Core Services MSXML Uninitialized Memory Corruption2012-06-12
Exploit-DBMicrosoft XML Core Services - MSXML Uninitialized Memory Corruption (MS12-043) (Metasploit)2012-06-16
PoC in GitHubwhu-enjoy/CVE-2012-18892016-09-25
PoC in GitHubl-iberty/cve-2012-18892019-11-20

What each source reports

NVD Score used8.8

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.

Record
CVE-2012-1889
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-787
Updated
2026-11-02
CVE List8.8

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.

Record
CVE-2012-1889
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
EUVDEUVD-2012-18998.8

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.

Record
EUVD-2012-1899
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-hv88-2gcv-6mjq8.8

Microsoft XML Core Services 3.0, 4.0, 5.0, and 6.0 accesses uninitialized memory locations, which...

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.

Record
GHSA-hv88-2gcv-6mjq
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-119, CWE-787
Updated
2026-11-02
CISA KEVNo score

Microsoft XML Core Services Memory Corruption Vulnerability

Microsoft XML Core Services contains a memory corruption vulnerability which could allow for remote code execution.

Record
CVE-2012-1889
Weakness
CWE-119
Updated
2026-11-02

History

History
RecordedChangedSources
exploitation, exploits
first indexedCVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, Metasploit, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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