diff --git a/changes/44800-ollama-resolved-in-version b/changes/44800-ollama-resolved-in-version
new file mode 100644
index 0000000000..a447dfd2dc
--- /dev/null
+++ b/changes/44800-ollama-resolved-in-version
@@ -0,0 +1 @@
+- Fixed missing `resolved_in_version` for CVE-2025-63389 on Ollama (resolved in v0.12.4), which was absent because the NVD record only provides a `versionEndIncluding` constraint.
diff --git a/server/vulnerabilities/nvd/sync/cve_syncer.go b/server/vulnerabilities/nvd/sync/cve_syncer.go
index ecbc422661..c496c185a2 100644
--- a/server/vulnerabilities/nvd/sync/cve_syncer.go
+++ b/server/vulnerabilities/nvd/sync/cve_syncer.go
@@ -553,6 +553,23 @@ func transformVuln(year int, item nvdapi.CVEItem) nvdapi.CVEItem {
 		}
 	}
 
+	// NVD lists ollama as vulnerable through (and including) v0.12.3 via versionEndIncluding with no
+	// versionEndExcluding, so resolved_in_version comes back empty. The fix shipped in the next
+	// release, v0.12.4. Supply versionEndExcluding here so Fleet reports the resolved version.
+	// See https://github.com/fleetdm/fleet/issues/44800.
+	if item.CVE.ID != nil && *item.CVE.ID == "CVE-2025-63389" {
+		for configID := range item.CVE.Configurations {
+			for nodeID := range item.CVE.Configurations[configID].Nodes {
+				for matchID := range item.CVE.Configurations[configID].Nodes[nodeID].CPEMatch {
+					match := &item.CVE.Configurations[configID].Nodes[nodeID].CPEMatch[matchID]
+					if strings.Contains(match.Criteria, ":ollama:ollama:") && match.VersionEndExcluding == nil {
+						match.VersionEndExcluding = new("0.12.4")
+					}
+				}
+			}
+		}
+	}
+
 	return item
 }
 
diff --git a/server/vulnerabilities/nvd/sync/cve_syncer_test.go b/server/vulnerabilities/nvd/sync/cve_syncer_test.go
index fa6ffb94e8..026a6bc4e7 100644
--- a/server/vulnerabilities/nvd/sync/cve_syncer_test.go
+++ b/server/vulnerabilities/nvd/sync/cve_syncer_test.go
@@ -30,6 +30,64 @@ var (
 	api20CVEDir       = filepath.Join("testdata", "cve", "api_2.0")
 )
 
+func TestTransformVuln(t *testing.T) {
+	t.Parallel()
+
+	// makeItem builds a minimal CVEItem with a single CPE match carrying the given criteria and
+	// versionEndIncluding/versionEndExcluding constraints.
+	makeItem := func(cveID, criteria string, endIncluding, endExcluding *string) nvdapi.CVEItem {
+		return nvdapi.CVEItem{
+			CVE: nvdapi.CVE{
+				ID: &cveID,
+				Configurations: []nvdapi.Config{
+					{
+						Nodes: []nvdapi.Node{
+							{
+								CPEMatch: []nvdapi.CVECPEMatch{
+									{
+										Vulnerable:          true,
+										Criteria:            criteria,
+										VersionEndIncluding: endIncluding,
+										VersionEndExcluding: endExcluding,
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+		}
+	}
+
+	endExcludingOf := func(item nvdapi.CVEItem) *string {
+		return item.CVE.Configurations[0].Nodes[0].CPEMatch[0].VersionEndExcluding
+	}
+
+	const ollamaCPE = "cpe:2.3:a:ollama:ollama:*:*:*:*:*:*:*:*"
+
+	t.Run("CVE-2025-63389 gets a resolved version when NVD provides only versionEndIncluding", func(t *testing.T) {
+		got := transformVuln(2025, makeItem("CVE-2025-63389", ollamaCPE, new("0.12.3"), nil))
+		require.NotNil(t, endExcludingOf(got))
+		require.Equal(t, "0.12.4", *endExcludingOf(got))
+	})
+
+	t.Run("CVE-2025-63389 does not clobber an existing versionEndExcluding", func(t *testing.T) {
+		got := transformVuln(2025, makeItem("CVE-2025-63389", ollamaCPE, new("0.12.3"), new("0.12.9")))
+		require.NotNil(t, endExcludingOf(got))
+		require.Equal(t, "0.12.9", *endExcludingOf(got))
+	})
+
+	t.Run("CVE-2025-63389 override does not apply to other products", func(t *testing.T) {
+		got := transformVuln(2025, makeItem("CVE-2025-63389", "cpe:2.3:a:acme:widget:*:*:*:*:*:*:*:*", new("0.12.3"), nil))
+		require.Nil(t, endExcludingOf(got))
+	})
+
+	t.Run("unrelated CVE is left unchanged", func(t *testing.T) {
+		got := transformVuln(2025, makeItem("CVE-2025-00000", ollamaCPE, new("0.12.3"), nil))
+		require.Nil(t, endExcludingOf(got))
+	})
+}
+
 func TestStoreCVEsLegacyFormat(t *testing.T) {
 	t.Parallel()
 	year := 2023