XML Core Services
Summary iPlain-English security verdict for XML Core Services, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
XML Core Services currently scores 20/100 — critical, with active exploitation. 2 of its known vulnerabilities are being actively exploited in the wild (CISA KEV), including CVE-2012-1889. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
Disclosure trend iNew CVEs published for XML Core Services each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.
Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.
Most urgent first — actively exploited, then likeliest to be exploited.
CVE-2012-1889 HIGH exploited Out-of-bounds write EPSS 84% → see advisory CVE-2017-0022 MEDIUM exploited Memory corruption EPSS 18% → see advisory CVE-2006-5745 HIGH EPSS 76% → see advisory CVE-2007-2223 HIGH Memory corruption EPSS 48% → see advisory CVE-2013-0007 HIGH Code injection EPSS 32% → see advisorySee all 19 known XML Core Services CVEs & security history →
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Frequently asked
Is XML Core Services safe and patched?
XML Core Services currently scores 20/100 — critical, with active exploitation. 2 of its known vulnerabilities are being actively exploited in the wild (CISA KEV), including CVE-2012-1889. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
What should I do about XML Core Services now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against Microsoft's official advisory. Some issues are under active exploitation, so treat this as urgent.
Why is XML Core Services listed on IsItPatched?
XML Core Services was added automatically because CISA's Known Exploited Vulnerabilities (KEV) catalog flagged it as actively exploited in the wild. IsItPatched tracks its known CVEs, severity (CVSS), exploitation probability (EPSS) and KEV status from public data; its version and lifecycle mapping is verified over time.
lifecycle unknown — needs latest supported version
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Microsoft's official advisory before you patch or upgrade.